173407225

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{24001}}^1$

素因数の和:24045

約数の個数: 18

約数和(自身を含む): 228427034

約数和(自身を除く): 55019809

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 24001, 120005, 408017, 600025, 2040085, 6936289, 10200425, 34681445, 173407225]

約数ペア:

[(1, 173407225), (5, 34681445), (17, 10200425), (25, 6936289), (85, 2040085), (289, 600025), (425, 408017), (1445, 120005), (7225, 24001)]