321016815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21683}}^1$

素因数の和:21748

約数の個数: 48

約数和(自身を含む): 649479168

約数和(自身を除く): 328462353

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1645, 2115, 2961, 4935, 14805, 21683, 65049, 108415, 151781, 195147, 325245, 455343, 758905, 975735, 1019101, 1366029, 2276715, 3057303, 5095505, 6830145, 7133707, 9171909, 15286515, 21401121, 35668535, 45859545, 64203363, 107005605, 321016815]

約数ペア:

[(1, 321016815), (3, 107005605), (5, 64203363), (7, 45859545), (9, 35668535), (15, 21401121), (21, 15286515), (35, 9171909), (45, 7133707), (47, 6830145), (63, 5095505), (105, 3057303), (141, 2276715), (235, 1366029), (315, 1019101), (329, 975735), (423, 758905), (705, 455343), (987, 325245), (1645, 195147), (2115, 151781), (2961, 108415), (4935, 65049), (14805, 21683)]