221775318

素因数分解:

$2^1\times 3^2\times {\mathrm{181}}^1\times {\mathrm{68071}}^1$

素因数の和:68260

約数の個数: 24

約数和(自身を含む): 483175056

約数和(自身を除く): 261399738

約数列:

[1, 2, 3, 6, 9, 18, 181, 362, 543, 1086, 1629, 3258, 68071, 136142, 204213, 408426, 612639, 1225278, 12320851, 24641702, 36962553, 73925106, 110887659, 221775318]

約数ペア:

[(1, 221775318), (2, 110887659), (3, 73925106), (6, 36962553), (9, 24641702), (18, 12320851), (181, 1225278), (362, 612639), (543, 408426), (1086, 204213), (1629, 136142), (3258, 68071)]