1397739

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{659}}^1$

素因数の和:770

約数の個数: 16

約数和(自身を含む): 2154240

約数和(自身を除く): 756501

約数列:

[1, 3, 7, 21, 101, 303, 659, 707, 1977, 2121, 4613, 13839, 66559, 199677, 465913, 1397739]

約数ペア:

[(1, 1397739), (3, 465913), (7, 199677), (21, 66559), (101, 13839), (303, 4613), (659, 2121), (707, 1977)]