15261981

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^3$

素因数の和:158

約数の個数: 24

約数和(自身を含む): 24186240

約数和(自身を除く): 8924259

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2209, 2303, 6627, 6909, 15463, 46389, 103823, 108241, 311469, 324723, 726761, 2180283, 5087327, 15261981]

約数ペア:

[(1, 15261981), (3, 5087327), (7, 2180283), (21, 726761), (47, 324723), (49, 311469), (141, 108241), (147, 103823), (329, 46389), (987, 15463), (2209, 6909), (2303, 6627)]