221388105

素因数分解:

$3^1\times 5^1\times {\mathrm{2539}}^1\times {\mathrm{5813}}^1$

素因数の和:8360

約数の個数: 16

約数和(自身を含む): 354421440

約数和(自身を除く): 133033335

約数列:

[1, 3, 5, 15, 2539, 5813, 7617, 12695, 17439, 29065, 38085, 87195, 14759207, 44277621, 73796035, 221388105]

約数ペア:

[(1, 221388105), (3, 73796035), (5, 44277621), (15, 14759207), (2539, 87195), (5813, 38085), (7617, 29065), (12695, 17439)]