1347255

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 2987712

約数和(自身を除く): 1640457

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 47, 49, 63, 65, 91, 105, 117, 141, 147, 195, 235, 245, 273, 315, 329, 423, 441, 455, 585, 611, 637, 705, 735, 819, 987, 1365, 1645, 1833, 1911, 2115, 2205, 2303, 2961, 3055, 3185, 4095, 4277, 4935, 5499, 5733, 6909, 9165, 9555, 11515, 12831, 14805, 20727, 21385, 27495, 28665, 29939, 34545, 38493, 64155, 89817, 103635, 149695, 192465, 269451, 449085, 1347255]

約数ペア:

[(1, 1347255), (3, 449085), (5, 269451), (7, 192465), (9, 149695), (13, 103635), (15, 89817), (21, 64155), (35, 38493), (39, 34545), (45, 29939), (47, 28665), (49, 27495), (63, 21385), (65, 20727), (91, 14805), (105, 12831), (117, 11515), (141, 9555), (147, 9165), (195, 6909), (235, 5733), (245, 5499), (273, 4935), (315, 4277), (329, 4095), (423, 3185), (441, 3055), (455, 2961), (585, 2303), (611, 2205), (637, 2115), (705, 1911), (735, 1833), (819, 1645), (987, 1365)]