1390893

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 2142720

約数和(自身を除く): 751827

約数列:

[1, 3, 7, 21, 107, 321, 619, 749, 1857, 2247, 4333, 12999, 66233, 198699, 463631, 1390893]

約数ペア:

[(1, 1390893), (3, 463631), (7, 198699), (21, 66233), (107, 12999), (321, 4333), (619, 2247), (749, 1857)]