3121515

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1059

約数の個数: 24

約数和(自身を含む): 5492448

約数和(自身を除く): 2370933

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 977, 1065, 2931, 3195, 4885, 8793, 14655, 43965, 69367, 208101, 346835, 624303, 1040505, 3121515]

約数ペア:

[(1, 3121515), (3, 1040505), (5, 624303), (9, 346835), (15, 208101), (45, 69367), (71, 43965), (213, 14655), (355, 8793), (639, 4885), (977, 3195), (1065, 2931)]