2250549

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 3756480

約数和(自身を除く): 1505931

約数列:

[1, 3, 7, 9, 21, 63, 139, 257, 417, 771, 973, 1251, 1799, 2313, 2919, 5397, 8757, 16191, 35723, 107169, 250061, 321507, 750183, 2250549]

約数ペア:

[(1, 2250549), (3, 750183), (7, 321507), (9, 250061), (21, 107169), (63, 35723), (139, 16191), (257, 8757), (417, 5397), (771, 2919), (973, 2313), (1251, 1799)]