18070437

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 30311424

約数和(自身を除く): 12240987

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 571, 959, 1507, 1713, 2877, 3997, 4521, 6281, 10549, 11991, 18843, 31647, 43967, 78227, 131901, 234681, 547589, 860497, 1642767, 2581491, 6023479, 18070437]

約数ペア:

[(1, 18070437), (3, 6023479), (7, 2581491), (11, 1642767), (21, 860497), (33, 547589), (77, 234681), (137, 131901), (231, 78227), (411, 43967), (571, 31647), (959, 18843), (1507, 11991), (1713, 10549), (2877, 6281), (3997, 4521)]