868491

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{571}}^1$

素因数の和:603

約数の個数: 18

約数和(自身を含む): 1360788

約数和(自身を除く): 492297

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 571, 1521, 1713, 5139, 7423, 22269, 66807, 96499, 289497, 868491]

約数ペア:

[(1, 868491), (3, 289497), (9, 96499), (13, 66807), (39, 22269), (117, 7423), (169, 5139), (507, 1713), (571, 1521)]