668231685

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{25471}}^1$

素因数の和:25546

約数の個数: 48

約数和(自身を含む): 1287456768

約数和(自身を除く): 619225083

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 53, 55, 99, 159, 165, 265, 477, 495, 583, 795, 1749, 2385, 2915, 5247, 8745, 25471, 26235, 76413, 127355, 229239, 280181, 382065, 840543, 1146195, 1349963, 1400905, 2521629, 4049889, 4202715, 6749815, 12149667, 12608145, 14849593, 20249445, 44548779, 60748335, 74247965, 133646337, 222743895, 668231685]

約数ペア:

[(1, 668231685), (3, 222743895), (5, 133646337), (9, 74247965), (11, 60748335), (15, 44548779), (33, 20249445), (45, 14849593), (53, 12608145), (55, 12149667), (99, 6749815), (159, 4202715), (165, 4049889), (265, 2521629), (477, 1400905), (495, 1349963), (583, 1146195), (795, 840543), (1749, 382065), (2385, 280181), (2915, 229239), (5247, 127355), (8745, 76413), (25471, 26235)]