25921017

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 38548224

約数和(自身を除く): 12627207

約数列:

[1, 3, 9, 47, 141, 233, 263, 423, 699, 789, 2097, 2367, 10951, 12361, 32853, 37083, 61279, 98559, 111249, 183837, 551511, 2880113, 8640339, 25921017]

約数ペア:

[(1, 25921017), (3, 8640339), (9, 2880113), (47, 551511), (141, 183837), (233, 111249), (263, 98559), (423, 61279), (699, 37083), (789, 32853), (2097, 12361), (2367, 10951)]