128957655

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6373}}^1$

素因数の和:6471

約数の個数: 32

約数和(自身を含む): 220285440

約数和(自身を除く): 91327785

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1065, 1349, 4047, 6373, 6745, 19119, 20235, 31865, 95595, 121087, 363261, 452483, 605435, 1357449, 1816305, 2262415, 6787245, 8597177, 25791531, 42985885, 128957655]

約数ペア:

[(1, 128957655), (3, 42985885), (5, 25791531), (15, 8597177), (19, 6787245), (57, 2262415), (71, 1816305), (95, 1357449), (213, 605435), (285, 452483), (355, 363261), (1065, 121087), (1349, 95595), (4047, 31865), (6373, 20235), (6745, 19119)]