490870863

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{56873}}^1$

素因数の和:57023

約数の個数: 24

約数和(自身を含む): 816255648

約数和(自身を除く): 325384785

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 56873, 170619, 398111, 511857, 1194333, 3582999, 7791601, 23374803, 54541207, 70124409, 163623621, 490870863]

約数ペア:

[(1, 490870863), (3, 163623621), (7, 70124409), (9, 54541207), (21, 23374803), (63, 7791601), (137, 3582999), (411, 1194333), (959, 511857), (1233, 398111), (2877, 170619), (8631, 56873)]