27647571

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 43642368

約数和(自身を除く): 15994797

約数列:

[1, 3, 7, 21, 41, 123, 163, 197, 287, 489, 591, 861, 1141, 1379, 3423, 4137, 6683, 8077, 20049, 24231, 32111, 46781, 56539, 96333, 140343, 169617, 224777, 674331, 1316551, 3949653, 9215857, 27647571]

約数ペア:

[(1, 27647571), (3, 9215857), (7, 3949653), (21, 1316551), (41, 674331), (123, 224777), (163, 169617), (197, 140343), (287, 96333), (489, 56539), (591, 46781), (861, 32111), (1141, 24231), (1379, 20049), (3423, 8077), (4137, 6683)]