128954805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1747}}^1$

素因数の和:1818

約数の個数: 64

約数和(自身を含む): 255068160

約数和(自身を除く): 126113355

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 37, 57, 95, 105, 111, 133, 185, 259, 285, 399, 555, 665, 703, 777, 1295, 1747, 1995, 2109, 3515, 3885, 4921, 5241, 8735, 10545, 12229, 14763, 24605, 26205, 33193, 36687, 61145, 64639, 73815, 99579, 165965, 183435, 193917, 232351, 323195, 452473, 497895, 697053, 969585, 1161755, 1228141, 1357419, 2262365, 3485265, 3684423, 6140705, 6787095, 8596987, 18422115, 25790961, 42984935, 128954805]

約数ペア:

[(1, 128954805), (3, 42984935), (5, 25790961), (7, 18422115), (15, 8596987), (19, 6787095), (21, 6140705), (35, 3684423), (37, 3485265), (57, 2262365), (95, 1357419), (105, 1228141), (111, 1161755), (133, 969585), (185, 697053), (259, 497895), (285, 452473), (399, 323195), (555, 232351), (665, 193917), (703, 183435), (777, 165965), (1295, 99579), (1747, 73815), (1995, 64639), (2109, 61145), (3515, 36687), (3885, 33193), (4921, 26205), (5241, 24605), (8735, 14763), (10545, 12229)]