81370521

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{158617}}^1$

素因数の和:158645

約数の個数: 16

約数和(自身を含む): 126894400

約数和(自身を除く): 45523879

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 158617, 475851, 1427553, 3013723, 4282659, 9041169, 27123507, 81370521]

約数ペア:

[(1, 81370521), (3, 27123507), (9, 9041169), (19, 4282659), (27, 3013723), (57, 1427553), (171, 475851), (513, 158617)]