221557437

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{17203}}^1$

素因数の和:17271

約数の個数: 24

約数和(自身を含む): 338161824

約数和(自身を除く): 116604387

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 1431, 4293, 12879, 17203, 51609, 154827, 464481, 911759, 1393443, 2735277, 4180329, 8205831, 24617493, 73852479, 221557437]

約数ペア:

[(1, 221557437), (3, 73852479), (9, 24617493), (27, 8205831), (53, 4180329), (81, 2735277), (159, 1393443), (243, 911759), (477, 464481), (1431, 154827), (4293, 51609), (12879, 17203)]