31323579

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^2\times {\mathrm{239}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 48545280

約数和(自身を除く): 17221701

約数列:

[1, 3, 7, 21, 79, 237, 239, 553, 717, 1659, 1673, 5019, 6241, 18723, 18881, 43687, 56643, 131061, 132167, 396501, 1491599, 4474797, 10441193, 31323579]

約数ペア:

[(1, 31323579), (3, 10441193), (7, 4474797), (21, 1491599), (79, 396501), (237, 132167), (239, 131061), (553, 56643), (717, 43687), (1659, 18881), (1673, 18723), (5019, 6241)]