71215425

素因数分解:

$3^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{2801}}^1$

素因数の和:2930

約数の個数: 36

約数和(自身を含む): 128729484

約数和(自身を除く): 57514059

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 113, 225, 339, 565, 1017, 1695, 2801, 2825, 5085, 8403, 8475, 14005, 25209, 25425, 42015, 70025, 126045, 210075, 316513, 630225, 949539, 1582565, 2848617, 4747695, 7912825, 14243085, 23738475, 71215425]

約数ペア:

[(1, 71215425), (3, 23738475), (5, 14243085), (9, 7912825), (15, 4747695), (25, 2848617), (45, 1582565), (75, 949539), (113, 630225), (225, 316513), (339, 210075), (565, 126045), (1017, 70025), (1695, 42015), (2801, 25425), (2825, 25209), (5085, 14005), (8403, 8475)]