57021225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{17681}}^1$

素因数の和:17737

約数の個数: 24

約数和(自身を含む): 96472992

約数和(自身を除く): 39451767

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 17681, 53043, 88405, 265215, 442025, 760283, 1326075, 2280849, 3801415, 11404245, 19007075, 57021225]

約数ペア:

[(1, 57021225), (3, 19007075), (5, 11404245), (15, 3801415), (25, 2280849), (43, 1326075), (75, 760283), (129, 442025), (215, 265215), (645, 88405), (1075, 53043), (3225, 17681)]