25204395

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{809}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 17097045

約数列:

[1, 3, 5, 15, 31, 67, 93, 155, 201, 335, 465, 809, 1005, 2077, 2427, 4045, 6231, 10385, 12135, 25079, 31155, 54203, 75237, 125395, 162609, 271015, 376185, 813045, 1680293, 5040879, 8401465, 25204395]

約数ペア:

[(1, 25204395), (3, 8401465), (5, 5040879), (15, 1680293), (31, 813045), (67, 376185), (93, 271015), (155, 162609), (201, 125395), (335, 75237), (465, 54203), (809, 31155), (1005, 25079), (2077, 12135), (2427, 10385), (4045, 6231)]