489587421

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{1213}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 704314240

約数和(自身を除く): 214726819

約数列:

[1, 3, 19, 57, 73, 97, 219, 291, 1213, 1387, 1843, 3639, 4161, 5529, 7081, 21243, 23047, 69141, 88549, 117661, 134539, 265647, 352983, 403617, 1682431, 2235559, 5047293, 6706677, 8589253, 25767759, 163195807, 489587421]

約数ペア:

[(1, 489587421), (3, 163195807), (19, 25767759), (57, 8589253), (73, 6706677), (97, 5047293), (219, 2235559), (291, 1682431), (1213, 403617), (1387, 352983), (1843, 265647), (3639, 134539), (4161, 117661), (5529, 88549), (7081, 69141), (21243, 23047)]