858407775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{16421}}^1$

素因数の和:16492

約数の個数: 48

約数和(自身を含む): 1539463968

約数和(自身を除く): 681056193

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 123, 205, 255, 425, 615, 697, 1025, 1275, 2091, 3075, 3485, 10455, 16421, 17425, 49263, 52275, 82105, 246315, 279157, 410525, 673261, 837471, 1231575, 1395785, 2019783, 3366305, 4187355, 6978925, 10098915, 11445437, 16831525, 20936775, 34336311, 50494575, 57227185, 171681555, 286135925, 858407775]

約数ペア:

[(1, 858407775), (3, 286135925), (5, 171681555), (15, 57227185), (17, 50494575), (25, 34336311), (41, 20936775), (51, 16831525), (75, 11445437), (85, 10098915), (123, 6978925), (205, 4187355), (255, 3366305), (425, 2019783), (615, 1395785), (697, 1231575), (1025, 837471), (1275, 673261), (2091, 410525), (3075, 279157), (3485, 246315), (10455, 82105), (16421, 52275), (17425, 49263)]