71780925

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{25867}}^1$

素因数の和:25917

約数の個数: 24

約数和(自身を含む): 121890016

約数和(自身を除く): 50109091

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 555, 925, 2775, 25867, 77601, 129335, 388005, 646675, 957079, 1940025, 2871237, 4785395, 14356185, 23926975, 71780925]

約数ペア:

[(1, 71780925), (3, 23926975), (5, 14356185), (15, 4785395), (25, 2871237), (37, 1940025), (75, 957079), (111, 646675), (185, 388005), (555, 129335), (925, 77601), (2775, 25867)]