201531953

素因数分解:

$7^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 239639400

約数和(自身を除く): 38107447

約数列:

[1, 7, 49, 97, 109, 389, 679, 763, 2723, 4753, 5341, 10573, 19061, 37733, 42401, 74011, 264131, 296807, 518077, 1848917, 2077649, 4112897, 28790279, 201531953]

約数ペア:

[(1, 201531953), (7, 28790279), (49, 4112897), (97, 2077649), (109, 1848917), (389, 518077), (679, 296807), (763, 264131), (2723, 74011), (4753, 42401), (5341, 37733), (10573, 19061)]