27666725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 36664320

約数和(自身を除く): 8997595

約数列:

[1, 5, 25, 29, 31, 145, 155, 725, 775, 899, 1231, 4495, 6155, 22475, 30775, 35699, 38161, 178495, 190805, 892475, 954025, 1106669, 5533345, 27666725]

約数ペア:

[(1, 27666725), (5, 5533345), (25, 1106669), (29, 954025), (31, 892475), (145, 190805), (155, 178495), (725, 38161), (775, 35699), (899, 30775), (1231, 22475), (4495, 6155)]