51184665

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 104569920

約数和(自身を除く): 53385255

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 139, 147, 167, 245, 315, 417, 441, 501, 695, 735, 835, 973, 1169, 1251, 1503, 2085, 2205, 2505, 2919, 3507, 4865, 5845, 6255, 6811, 7515, 8183, 8757, 10521, 14595, 17535, 20433, 23213, 24549, 34055, 40915, 43785, 52605, 61299, 69639, 73647, 102165, 116065, 122745, 162491, 208917, 306495, 348195, 368235, 487473, 812455, 1044585, 1137437, 1462419, 2437365, 3412311, 5687185, 7312095, 10236933, 17061555, 51184665]

約数ペア:

[(1, 51184665), (3, 17061555), (5, 10236933), (7, 7312095), (9, 5687185), (15, 3412311), (21, 2437365), (35, 1462419), (45, 1137437), (49, 1044585), (63, 812455), (105, 487473), (139, 368235), (147, 348195), (167, 306495), (245, 208917), (315, 162491), (417, 122745), (441, 116065), (501, 102165), (695, 73647), (735, 69639), (835, 61299), (973, 52605), (1169, 43785), (1251, 40915), (1503, 34055), (2085, 24549), (2205, 23213), (2505, 20433), (2919, 17535), (3507, 14595), (4865, 10521), (5845, 8757), (6255, 8183), (6811, 7515)]