18891569277

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{853}}^1$

素因数の和:1060

約数の個数: 128

約数和(自身を含む): 34767774720

約数和(自身を除く): 15876205443

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 61, 63, 113, 119, 153, 183, 189, 339, 357, 427, 459, 549, 791, 853, 1017, 1037, 1071, 1281, 1647, 1921, 2373, 2559, 3051, 3111, 3213, 3843, 5763, 5971, 6893, 7119, 7259, 7677, 9333, 11529, 13447, 14501, 17289, 17913, 20679, 21357, 21777, 23031, 27999, 40341, 43503, 48251, 51867, 52033, 53739, 62037, 65331, 96389, 101507, 117181, 121023, 130509, 144753, 156099, 161217, 186111, 195993, 289167, 304521, 351543, 363069, 364231, 391527, 434259, 468297, 674723, 820267, 867501, 884561, 913563, 1054629, 1092693, 1302777, 1404891, 1638613, 2024169, 2460801, 2602503, 2653683, 2740689, 3163887, 3278079, 4915839, 5879729, 6072507, 6191927, 7382403, 7961049, 9834237, 11470291, 14747517, 17639187, 18217521, 18575781, 22147209, 23883147, 34410873, 41158103, 44242551, 52917561, 55727343, 99955393, 103232619, 123474309, 158752683, 167182029, 299866179, 309697857, 370422927, 699687751, 899598537, 1111268781, 2099063253, 2698795611, 6297189759, 18891569277]

約数ペア:

[(1, 18891569277), (3, 6297189759), (7, 2698795611), (9, 2099063253), (17, 1111268781), (21, 899598537), (27, 699687751), (51, 370422927), (61, 309697857), (63, 299866179), (113, 167182029), (119, 158752683), (153, 123474309), (183, 103232619), (189, 99955393), (339, 55727343), (357, 52917561), (427, 44242551), (459, 41158103), (549, 34410873), (791, 23883147), (853, 22147209), (1017, 18575781), (1037, 18217521), (1071, 17639187), (1281, 14747517), (1647, 11470291), (1921, 9834237), (2373, 7961049), (2559, 7382403), (3051, 6191927), (3111, 6072507), (3213, 5879729), (3843, 4915839), (5763, 3278079), (5971, 3163887), (6893, 2740689), (7119, 2653683), (7259, 2602503), (7677, 2460801), (9333, 2024169), (11529, 1638613), (13447, 1404891), (14501, 1302777), (17289, 1092693), (17913, 1054629), (20679, 913563), (21357, 884561), (21777, 867501), (23031, 820267), (27999, 674723), (40341, 468297), (43503, 434259), (48251, 391527), (51867, 364231), (52033, 363069), (53739, 351543), (62037, 304521), (65331, 289167), (96389, 195993), (101507, 186111), (117181, 161217), (121023, 156099), (130509, 144753)]