221271459

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{17117}}^1$

素因数の和:17290

約数の個数: 16

約数和(自身を含む): 306754560

約数和(自身を除く): 85483101

約数列:

[1, 3, 31, 93, 139, 417, 4309, 12927, 17117, 51351, 530627, 1591881, 2379263, 7137789, 73757153, 221271459]

約数ペア:

[(1, 221271459), (3, 73757153), (31, 7137789), (93, 2379263), (139, 1591881), (417, 530627), (4309, 51351), (12927, 17117)]