131491917

素因数分解:

$3^6\times {\mathrm{317}}^1\times {\mathrm{569}}^1$

素因数の和:904

約数の個数: 28

約数和(自身を含む): 198117180

約数和(自身を除く): 66625263

約数列:

[1, 3, 9, 27, 81, 243, 317, 569, 729, 951, 1707, 2853, 5121, 8559, 15363, 25677, 46089, 77031, 138267, 180373, 231093, 414801, 541119, 1623357, 4870071, 14610213, 43830639, 131491917]

約数ペア:

[(1, 131491917), (3, 43830639), (9, 14610213), (27, 4870071), (81, 1623357), (243, 541119), (317, 414801), (569, 231093), (729, 180373), (951, 138267), (1707, 77031), (2853, 46089), (5121, 25677), (8559, 15363)]