220763709

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{2557}}^1$

素因数の和:2797

約数の個数: 24

約数和(自身を含む): 326820312

約数和(自身を除く): 106056603

約数列:

[1, 3, 9, 53, 159, 181, 477, 543, 1629, 2557, 7671, 9593, 23013, 28779, 86337, 135521, 406563, 462817, 1219689, 1388451, 4165353, 24529301, 73587903, 220763709]

約数ペア:

[(1, 220763709), (3, 73587903), (9, 24529301), (53, 4165353), (159, 1388451), (181, 1219689), (477, 462817), (543, 406563), (1629, 135521), (2557, 86337), (7671, 28779), (9593, 23013)]