1401981

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 2160768

約数和(自身を除く): 758787

約数列:

[1, 3, 7, 21, 101, 303, 661, 707, 1983, 2121, 4627, 13881, 66761, 200283, 467327, 1401981]

約数ペア:

[(1, 1401981), (3, 467327), (7, 200283), (21, 66761), (101, 13881), (303, 4627), (661, 2121), (707, 1983)]