221560767

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{17749}}^1$

素因数の和:17847

約数の個数: 24

約数和(自身を含む): 341510000

約数和(自身を除く): 119949233

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 4161, 12483, 17749, 53247, 159741, 337231, 1011693, 1295677, 3035079, 3887031, 11661093, 24617863, 73853589, 221560767]

約数ペア:

[(1, 221560767), (3, 73853589), (9, 24617863), (19, 11661093), (57, 3887031), (73, 3035079), (171, 1295677), (219, 1011693), (657, 337231), (1387, 159741), (4161, 53247), (12483, 17749)]