210630425

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{29153}}^1$

素因数の和:29197

約数の個数: 18

約数和(自身を含む): 277458618

約数和(自身を除く): 66828193

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 29153, 145765, 495601, 728825, 2478005, 8425217, 12390025, 42126085, 210630425]

約数ペア:

[(1, 210630425), (5, 42126085), (17, 12390025), (25, 8425217), (85, 2478005), (289, 728825), (425, 495601), (1445, 145765), (7225, 29153)]