31382013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 47158272

約数和(自身を除く): 15776259

約数列:

[1, 3, 13, 31, 39, 93, 101, 257, 303, 403, 771, 1209, 1313, 3131, 3341, 3939, 7967, 9393, 10023, 23901, 25957, 40703, 77871, 103571, 122109, 310713, 337441, 804667, 1012323, 2414001, 10460671, 31382013]

約数ペア:

[(1, 31382013), (3, 10460671), (13, 2414001), (31, 1012323), (39, 804667), (93, 337441), (101, 310713), (257, 122109), (303, 103571), (403, 77871), (771, 40703), (1209, 25957), (1313, 23901), (3131, 10023), (3341, 9393), (3939, 7967)]