1307775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 2571264

約数和(自身を除く): 1263489

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 47, 53, 75, 105, 141, 159, 175, 235, 265, 329, 371, 525, 705, 795, 987, 1113, 1175, 1325, 1645, 1855, 2491, 3525, 3975, 4935, 5565, 7473, 8225, 9275, 12455, 17437, 24675, 27825, 37365, 52311, 62275, 87185, 186825, 261555, 435925, 1307775]

約数ペア:

[(1, 1307775), (3, 435925), (5, 261555), (7, 186825), (15, 87185), (21, 62275), (25, 52311), (35, 37365), (47, 27825), (53, 24675), (75, 17437), (105, 12455), (141, 9275), (159, 8225), (175, 7473), (235, 5565), (265, 4935), (329, 3975), (371, 3525), (525, 2491), (705, 1855), (795, 1645), (987, 1325), (1113, 1175)]