222779079

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{5279}}^1$

素因数の和:5812

約数の個数: 20

約数和(自身を含む): 333495360

約数和(自身を除く): 110716281

約数列:

[1, 3, 9, 27, 81, 521, 1563, 4689, 5279, 14067, 15837, 42201, 47511, 142533, 427599, 2750359, 8251077, 24753231, 74259693, 222779079]

約数ペア:

[(1, 222779079), (3, 74259693), (9, 24753231), (27, 8251077), (81, 2750359), (521, 427599), (1563, 142533), (4689, 47511), (5279, 42201), (14067, 15837)]