128766105

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 255685584

約数和(自身を除く): 126919479

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 81, 111, 117, 135, 185, 195, 333, 351, 405, 481, 555, 585, 661, 999, 1053, 1443, 1665, 1755, 1983, 2405, 2997, 3305, 4329, 4995, 5265, 5949, 7215, 8593, 9915, 12987, 14985, 17847, 21645, 24457, 25779, 29745, 38961, 42965, 53541, 64935, 73371, 77337, 89235, 122285, 128895, 194805, 220113, 232011, 267705, 317941, 366855, 386685, 660339, 696033, 953823, 1100565, 1160055, 1589705, 1981017, 2861469, 3301695, 3480165, 4769115, 8584407, 9905085, 14307345, 25753221, 42922035, 128766105]

約数ペア:

[(1, 128766105), (3, 42922035), (5, 25753221), (9, 14307345), (13, 9905085), (15, 8584407), (27, 4769115), (37, 3480165), (39, 3301695), (45, 2861469), (65, 1981017), (81, 1589705), (111, 1160055), (117, 1100565), (135, 953823), (185, 696033), (195, 660339), (333, 386685), (351, 366855), (405, 317941), (481, 267705), (555, 232011), (585, 220113), (661, 194805), (999, 128895), (1053, 122285), (1443, 89235), (1665, 77337), (1755, 73371), (1983, 64935), (2405, 53541), (2997, 42965), (3305, 38961), (4329, 29745), (4995, 25779), (5265, 24457), (5949, 21645), (7215, 17847), (8593, 14985), (9915, 12987)]