221420115

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5449}}^1$

素因数の和:5513

約数の個数: 64

約数和(自身を含む): 460416000

約数和(自身を除く): 238995885

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 105, 129, 135, 189, 215, 301, 315, 387, 645, 903, 945, 1161, 1505, 1935, 2709, 4515, 5449, 5805, 8127, 13545, 16347, 27245, 38143, 40635, 49041, 81735, 114429, 147123, 190715, 234307, 245205, 343287, 572145, 702921, 735615, 1029861, 1171535, 1640149, 1716435, 2108763, 3514605, 4920447, 5149305, 6326289, 8200745, 10543815, 14761341, 24602235, 31631445, 44284023, 73806705, 221420115]

約数ペア:

[(1, 221420115), (3, 73806705), (5, 44284023), (7, 31631445), (9, 24602235), (15, 14761341), (21, 10543815), (27, 8200745), (35, 6326289), (43, 5149305), (45, 4920447), (63, 3514605), (105, 2108763), (129, 1716435), (135, 1640149), (189, 1171535), (215, 1029861), (301, 735615), (315, 702921), (387, 572145), (645, 343287), (903, 245205), (945, 234307), (1161, 190715), (1505, 147123), (1935, 114429), (2709, 81735), (4515, 49041), (5449, 40635), (5805, 38143), (8127, 27245), (13545, 16347)]