163921317

素因数分解:

$3^1\times 7^2\times {\mathrm{1051}}^1\times {\mathrm{1061}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 254727072

約数和(自身を除く): 90805755

約数列:

[1, 3, 7, 21, 49, 147, 1051, 1061, 3153, 3183, 7357, 7427, 22071, 22281, 51499, 51989, 154497, 155967, 1115111, 3345333, 7805777, 23417331, 54640439, 163921317]

約数ペア:

[(1, 163921317), (3, 54640439), (7, 23417331), (21, 7805777), (49, 3345333), (147, 1115111), (1051, 155967), (1061, 154497), (3153, 51989), (3183, 51499), (7357, 22281), (7427, 22071)]