210505323

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{13903}}^1$

素因数の和:14023

約数の個数: 24

約数和(自身を含む): 329691648

約数和(自身を除く): 119186325

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 5047, 13903, 15141, 41709, 97321, 291963, 681247, 1432009, 2043741, 4296027, 10024063, 30072189, 70168441, 210505323]

約数ペア:

[(1, 210505323), (3, 70168441), (7, 30072189), (21, 10024063), (49, 4296027), (103, 2043741), (147, 1432009), (309, 681247), (721, 291963), (2163, 97321), (5047, 41709), (13903, 15141)]