13750281

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 21066240

約数和(自身を除く): 7315959

約数列:

[1, 3, 9, 19, 57, 171, 191, 421, 573, 1263, 1719, 3629, 3789, 7999, 10887, 23997, 32661, 71991, 80411, 241233, 723699, 1527809, 4583427, 13750281]

約数ペア:

[(1, 13750281), (3, 4583427), (9, 1527809), (19, 723699), (57, 241233), (171, 80411), (191, 71991), (421, 32661), (573, 23997), (1263, 10887), (1719, 7999), (3629, 3789)]