7971369

素因数分解:

$3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 12470688

約数和(自身を除く): 4499319

約数列:

[1, 3, 7, 21, 49, 147, 211, 257, 633, 771, 1477, 1799, 4431, 5397, 10339, 12593, 31017, 37779, 54227, 162681, 379589, 1138767, 2657123, 7971369]

約数ペア:

[(1, 7971369), (3, 2657123), (7, 1138767), (21, 379589), (49, 162681), (147, 54227), (211, 37779), (257, 31017), (633, 12593), (771, 10339), (1477, 5397), (1799, 4431)]