2105454675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{20903}}^1$

素因数の和:21012

約数の個数: 48

約数和(自身を含む): 3732618240

約数和(自身を除く): 1627163565

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 79, 85, 237, 255, 395, 425, 1185, 1275, 1343, 1975, 4029, 5925, 6715, 20145, 20903, 33575, 62709, 100725, 104515, 313545, 355351, 522575, 1066053, 1567725, 1651337, 1776755, 4954011, 5330265, 8256685, 8883775, 24770055, 26651325, 28072729, 41283425, 84218187, 123850275, 140363645, 421090935, 701818225, 2105454675]

約数ペア:

[(1, 2105454675), (3, 701818225), (5, 421090935), (15, 140363645), (17, 123850275), (25, 84218187), (51, 41283425), (75, 28072729), (79, 26651325), (85, 24770055), (237, 8883775), (255, 8256685), (395, 5330265), (425, 4954011), (1185, 1776755), (1275, 1651337), (1343, 1567725), (1975, 1066053), (4029, 522575), (5925, 355351), (6715, 313545), (20145, 104515), (20903, 100725), (33575, 62709)]