2490417

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 3841344

約数和(自身を除く): 1350927

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 227, 477, 681, 1219, 2043, 3657, 5221, 10971, 12031, 15663, 36093, 46989, 108279, 276713, 830139, 2490417]

約数ペア:

[(1, 2490417), (3, 830139), (9, 276713), (23, 108279), (53, 46989), (69, 36093), (159, 15663), (207, 12031), (227, 10971), (477, 5221), (681, 3657), (1219, 2043)]