201620878851

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{21757}}^1$

素因数の和:22084

約数の個数: 64

約数和(自身を含む): 322839982080

約数和(自身を除く): 121219103229

約数列:

[1, 3, 7, 21, 41, 47, 123, 141, 229, 287, 329, 687, 861, 987, 1603, 1927, 4809, 5781, 9389, 10763, 13489, 21757, 28167, 32289, 40467, 65271, 65723, 75341, 152299, 197169, 226023, 441283, 456897, 892037, 1022579, 1323849, 2676111, 3067737, 3088981, 4982353, 6244259, 7158053, 9266943, 14947059, 18732777, 21474159, 34876471, 41925739, 104629413, 125777217, 204276473, 234170591, 293480173, 612829419, 702511773, 880440519, 1429935311, 1639194137, 4289805933, 4917582411, 9600994231, 28802982693, 67206959617, 201620878851]

約数ペア:

[(1, 201620878851), (3, 67206959617), (7, 28802982693), (21, 9600994231), (41, 4917582411), (47, 4289805933), (123, 1639194137), (141, 1429935311), (229, 880440519), (287, 702511773), (329, 612829419), (687, 293480173), (861, 234170591), (987, 204276473), (1603, 125777217), (1927, 104629413), (4809, 41925739), (5781, 34876471), (9389, 21474159), (10763, 18732777), (13489, 14947059), (21757, 9266943), (28167, 7158053), (32289, 6244259), (40467, 4982353), (65271, 3088981), (65723, 3067737), (75341, 2676111), (152299, 1323849), (197169, 1022579), (226023, 892037), (441283, 456897)]