6856815

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 13461120

約数和(自身を除く): 6604305

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 491, 665, 735, 931, 1473, 1995, 2455, 2793, 3437, 4655, 7365, 9329, 10311, 13965, 17185, 24059, 27987, 46645, 51555, 65303, 72177, 120295, 139935, 195909, 326515, 360885, 457121, 979545, 1371363, 2285605, 6856815]

約数ペア:

[(1, 6856815), (3, 2285605), (5, 1371363), (7, 979545), (15, 457121), (19, 360885), (21, 326515), (35, 195909), (49, 139935), (57, 120295), (95, 72177), (105, 65303), (133, 51555), (147, 46645), (245, 27987), (285, 24059), (399, 17185), (491, 13965), (665, 10311), (735, 9329), (931, 7365), (1473, 4655), (1995, 3437), (2455, 2793)]