220447251

素因数分解:

$3^4\times {\mathrm{1249}}^1\times {\mathrm{2179}}^1$

素因数の和:3440

約数の個数: 20

約数和(自身を含む): 329725000

約数和(自身を除く): 109277749

約数列:

[1, 3, 9, 27, 81, 1249, 2179, 3747, 6537, 11241, 19611, 33723, 58833, 101169, 176499, 2721571, 8164713, 24494139, 73482417, 220447251]

約数ペア:

[(1, 220447251), (3, 73482417), (9, 24494139), (27, 8164713), (81, 2721571), (1249, 176499), (2179, 101169), (3747, 58833), (6537, 33723), (11241, 19611)]