25115913

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{7211}}^1$

素因数の和:7266

約数の個数: 20

約数和(自身を含む): 38396688

約数和(自身を除く): 13280775

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 7211, 21633, 64899, 194697, 310073, 584091, 930219, 2790657, 8371971, 25115913]

約数ペア:

[(1, 25115913), (3, 8371971), (9, 2790657), (27, 930219), (43, 584091), (81, 310073), (129, 194697), (387, 64899), (1161, 21633), (3483, 7211)]