251245545

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{4957}}^1$

素因数の和:5105

約数の個数: 32

約数和(自身を含む): 418851840

約数和(自身を除く): 167606295

約数列:

[1, 3, 5, 15, 31, 93, 109, 155, 327, 465, 545, 1635, 3379, 4957, 10137, 14871, 16895, 24785, 50685, 74355, 153667, 461001, 540313, 768335, 1620939, 2305005, 2701565, 8104695, 16749703, 50249109, 83748515, 251245545]

約数ペア:

[(1, 251245545), (3, 83748515), (5, 50249109), (15, 16749703), (31, 8104695), (93, 2701565), (109, 2305005), (155, 1620939), (327, 768335), (465, 540313), (545, 461001), (1635, 153667), (3379, 74355), (4957, 50685), (10137, 24785), (14871, 16895)]