220777719

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{811}}^1\times {\mathrm{881}}^1$

素因数の和:1798

約数の個数: 16

約数和(自身を含む): 297932544

約数和(自身を除く): 77154825

約数列:

[1, 3, 103, 309, 811, 881, 2433, 2643, 83533, 90743, 250599, 272229, 714491, 2143473, 73592573, 220777719]

約数ペア:

[(1, 220777719), (3, 73592573), (103, 2143473), (309, 714491), (811, 272229), (881, 250599), (2433, 90743), (2643, 83533)]