663354

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:414

約数の個数: 24

約数和(自身を含む): 1453140

約数和(自身を除く): 789786

約数列:

[1, 2, 3, 6, 9, 18, 137, 269, 274, 411, 538, 807, 822, 1233, 1614, 2421, 2466, 4842, 36853, 73706, 110559, 221118, 331677, 663354]

約数ペア:

[(1, 663354), (2, 331677), (3, 221118), (6, 110559), (9, 73706), (18, 36853), (137, 4842), (269, 2466), (274, 2421), (411, 1614), (538, 1233), (807, 822)]