18107475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 32081280

約数和(自身を除く): 13973805

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 97, 131, 285, 291, 393, 475, 485, 655, 1425, 1455, 1843, 1965, 2425, 2489, 3275, 5529, 7275, 7467, 9215, 9825, 12445, 12707, 27645, 37335, 38121, 46075, 62225, 63535, 138225, 186675, 190605, 241433, 317675, 724299, 953025, 1207165, 3621495, 6035825, 18107475]

約数ペア:

[(1, 18107475), (3, 6035825), (5, 3621495), (15, 1207165), (19, 953025), (25, 724299), (57, 317675), (75, 241433), (95, 190605), (97, 186675), (131, 138225), (285, 63535), (291, 62225), (393, 46075), (475, 38121), (485, 37335), (655, 27645), (1425, 12707), (1455, 12445), (1843, 9825), (1965, 9215), (2425, 7467), (2489, 7275), (3275, 5529)]