128351625

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 225318912

約数和(自身を除く): 96967287

約数列:

[1, 3, 5, 15, 25, 31, 61, 75, 93, 125, 155, 181, 183, 305, 375, 465, 543, 775, 905, 915, 1525, 1891, 2325, 2715, 3875, 4525, 4575, 5611, 5673, 7625, 9455, 11041, 11625, 13575, 16833, 22625, 22875, 28055, 28365, 33123, 47275, 55205, 67875, 84165, 140275, 141825, 165615, 236375, 276025, 342271, 420825, 701375, 709125, 828075, 1026813, 1380125, 1711355, 2104125, 4140375, 5134065, 8556775, 25670325, 42783875, 128351625]

約数ペア:

[(1, 128351625), (3, 42783875), (5, 25670325), (15, 8556775), (25, 5134065), (31, 4140375), (61, 2104125), (75, 1711355), (93, 1380125), (125, 1026813), (155, 828075), (181, 709125), (183, 701375), (305, 420825), (375, 342271), (465, 276025), (543, 236375), (775, 165615), (905, 141825), (915, 140275), (1525, 84165), (1891, 67875), (2325, 55205), (2715, 47275), (3875, 33123), (4525, 28365), (4575, 28055), (5611, 22875), (5673, 22625), (7625, 16833), (9455, 13575), (11041, 11625)]