620541

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 20

約数和(自身を含む): 952512

約数和(自身を除く): 331971

約数列:

[1, 3, 9, 27, 47, 81, 141, 163, 423, 489, 1269, 1467, 3807, 4401, 7661, 13203, 22983, 68949, 206847, 620541]

約数ペア:

[(1, 620541), (3, 206847), (9, 68949), (27, 22983), (47, 13203), (81, 7661), (141, 4401), (163, 3807), (423, 1467), (489, 1269)]