402481149

素因数分解:

$3^1\times 7^2\times {\mathrm{1297}}^1\times {\mathrm{2111}}^1$

素因数の和:3425

約数の個数: 24

約数和(自身を含む): 625033728

約数和(自身を除く): 222552579

約数列:

[1, 3, 7, 21, 49, 147, 1297, 2111, 3891, 6333, 9079, 14777, 27237, 44331, 63553, 103439, 190659, 310317, 2737967, 8213901, 19165769, 57497307, 134160383, 402481149]

約数ペア:

[(1, 402481149), (3, 134160383), (7, 57497307), (21, 19165769), (49, 8213901), (147, 2737967), (1297, 310317), (2111, 190659), (3891, 103439), (6333, 63553), (9079, 44331), (14777, 27237)]