231657237

素因数分解:

$3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{7489}}^1$

素因数の和:7993

約数の個数: 24

約数和(自身を含む): 383248320

約数和(自身を除く): 151591083

約数列:

[1, 3, 7, 9, 21, 63, 491, 1473, 3437, 4419, 7489, 10311, 22467, 30933, 52423, 67401, 157269, 471807, 3677099, 11031297, 25739693, 33093891, 77219079, 231657237]

約数ペア:

[(1, 231657237), (3, 77219079), (7, 33093891), (9, 25739693), (21, 11031297), (63, 3677099), (491, 471807), (1473, 157269), (3437, 67401), (4419, 52423), (7489, 30933), (10311, 22467)]