28754991

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2621}}^1$

素因数の和:2703

約数の個数: 24

約数和(自身を含む): 44175456

約数和(自身を除く): 15420465

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 2621, 3657, 7863, 10971, 23589, 60283, 138913, 180849, 416739, 542547, 1250217, 3194999, 9584997, 28754991]

約数ペア:

[(1, 28754991), (3, 9584997), (9, 3194999), (23, 1250217), (53, 542547), (69, 416739), (159, 180849), (207, 138913), (477, 60283), (1219, 23589), (2621, 10971), (3657, 7863)]