65881647

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 113742720

約数和(自身を除く): 47861073

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 61, 117, 153, 181, 183, 221, 351, 459, 543, 549, 663, 793, 1037, 1629, 1647, 1989, 2353, 2379, 3077, 3111, 4887, 5967, 7059, 7137, 9231, 9333, 11041, 13481, 21177, 21411, 27693, 27999, 33123, 40001, 40443, 63531, 83079, 99369, 120003, 121329, 143533, 187697, 298107, 360009, 363987, 430599, 563091, 1080027, 1291797, 1689273, 2440061, 3875391, 5067819, 7320183, 21960549, 65881647]

約数ペア:

[(1, 65881647), (3, 21960549), (9, 7320183), (13, 5067819), (17, 3875391), (27, 2440061), (39, 1689273), (51, 1291797), (61, 1080027), (117, 563091), (153, 430599), (181, 363987), (183, 360009), (221, 298107), (351, 187697), (459, 143533), (543, 121329), (549, 120003), (663, 99369), (793, 83079), (1037, 63531), (1629, 40443), (1647, 40001), (1989, 33123), (2353, 27999), (2379, 27693), (3077, 21411), (3111, 21177), (4887, 13481), (5967, 11041), (7059, 9333), (7137, 9231)]