285871125

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 499000320

約数和(自身を除く): 213129195

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 97, 125, 145, 271, 291, 375, 435, 485, 725, 813, 1355, 1455, 2175, 2425, 2813, 3625, 4065, 6775, 7275, 7859, 8439, 10875, 12125, 14065, 20325, 23577, 26287, 33875, 36375, 39295, 42195, 70325, 78861, 101625, 117885, 131435, 196475, 210975, 351625, 394305, 589425, 657175, 762323, 982375, 1054875, 1971525, 2286969, 2947125, 3285875, 3811615, 9857625, 11434845, 19058075, 57174225, 95290375, 285871125]

約数ペア:

[(1, 285871125), (3, 95290375), (5, 57174225), (15, 19058075), (25, 11434845), (29, 9857625), (75, 3811615), (87, 3285875), (97, 2947125), (125, 2286969), (145, 1971525), (271, 1054875), (291, 982375), (375, 762323), (435, 657175), (485, 589425), (725, 394305), (813, 351625), (1355, 210975), (1455, 196475), (2175, 131435), (2425, 117885), (2813, 101625), (3625, 78861), (4065, 70325), (6775, 42195), (7275, 39295), (7859, 36375), (8439, 33875), (10875, 26287), (12125, 23577), (14065, 20325)]