28889829

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 43804800

約数和(自身を除く): 14914971

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 1559, 2059, 4677, 6177, 14031, 18531, 45211, 110689, 135633, 332067, 406899, 996201, 3209981, 9629943, 28889829]

約数ペア:

[(1, 28889829), (3, 9629943), (9, 3209981), (29, 996201), (71, 406899), (87, 332067), (213, 135633), (261, 110689), (639, 45211), (1559, 18531), (2059, 14031), (4677, 6177)]