291278223

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{2243}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 431278848

約数和(自身を除く): 140000625

約数列:

[1, 3, 9, 47, 141, 307, 423, 921, 2243, 2763, 6729, 14429, 20187, 43287, 105421, 129861, 316263, 688601, 948789, 2065803, 6197409, 32364247, 97092741, 291278223]

約数ペア:

[(1, 291278223), (3, 97092741), (9, 32364247), (47, 6197409), (141, 2065803), (307, 948789), (423, 688601), (921, 316263), (2243, 129861), (2763, 105421), (6729, 43287), (14429, 20187)]