1986621

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 3440640

約数和(自身を除く): 1454019

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 383, 399, 741, 1149, 1729, 2681, 4979, 5187, 7277, 8043, 14937, 21831, 34853, 50939, 94601, 104559, 152817, 283803, 662207, 1986621]

約数ペア:

[(1, 1986621), (3, 662207), (7, 283803), (13, 152817), (19, 104559), (21, 94601), (39, 50939), (57, 34853), (91, 21831), (133, 14937), (247, 8043), (273, 7277), (383, 5187), (399, 4979), (741, 2681), (1149, 1729)]