391880073

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2393}}^1$

素因数の和:2458

約数の個数: 48

約数和(自身を含む): 630866880

約数和(自身を除く): 238986807

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 169, 221, 247, 323, 507, 663, 741, 969, 2393, 2873, 3211, 4199, 7179, 8619, 9633, 12597, 31109, 40681, 45467, 54587, 93327, 122043, 136401, 163761, 404417, 528853, 591071, 772939, 1213251, 1586559, 1773213, 2318817, 6875089, 7683923, 10048207, 20625267, 23051769, 30144621, 130626691, 391880073]

約数ペア:

[(1, 391880073), (3, 130626691), (13, 30144621), (17, 23051769), (19, 20625267), (39, 10048207), (51, 7683923), (57, 6875089), (169, 2318817), (221, 1773213), (247, 1586559), (323, 1213251), (507, 772939), (663, 591071), (741, 528853), (969, 404417), (2393, 163761), (2873, 136401), (3211, 122043), (4199, 93327), (7179, 54587), (8619, 45467), (9633, 40681), (12597, 31109)]