1396683

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:456

約数の個数: 20

約数和(自身を含む): 2140248

約数和(自身を除く): 743565

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 401, 1161, 1203, 3483, 3609, 10827, 17243, 32481, 51729, 155187, 465561, 1396683]

約数ペア:

[(1, 1396683), (3, 465561), (9, 155187), (27, 51729), (43, 32481), (81, 17243), (129, 10827), (387, 3609), (401, 3483), (1161, 1203)]