13507347

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 21952000

約数和(自身を除く): 8444653

約数列:

[1, 3, 7, 19, 21, 57, 97, 133, 291, 349, 399, 679, 1047, 1843, 2037, 2443, 5529, 6631, 7329, 12901, 19893, 33853, 38703, 46417, 101559, 139251, 236971, 643207, 710913, 1929621, 4502449, 13507347]

約数ペア:

[(1, 13507347), (3, 4502449), (7, 1929621), (19, 710913), (21, 643207), (57, 236971), (97, 139251), (133, 101559), (291, 46417), (349, 38703), (399, 33853), (679, 19893), (1047, 12901), (1843, 7329), (2037, 6631), (2443, 5529)]