25005591

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23747}}^1$

素因数の和:23772

約数の個数: 20

約数和(自身を含む): 40229112

約数和(自身を除く): 15223521

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 23747, 71241, 213723, 308711, 641169, 926133, 1923507, 2778399, 8335197, 25005591]

約数ペア:

[(1, 25005591), (3, 8335197), (9, 2778399), (13, 1923507), (27, 926133), (39, 641169), (81, 308711), (117, 213723), (351, 71241), (1053, 23747)]