1321825323

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{691693}}^1$

素因数の和:691723

約数の個数: 24

約数和(自身を含む): 2207887248

約数和(自身を除く): 886061925

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 691693, 2075079, 4841851, 8992009, 14525553, 26976027, 33892957, 62944063, 101678871, 188832189, 440608441, 1321825323]

約数ペア:

[(1, 1321825323), (3, 440608441), (7, 188832189), (13, 101678871), (21, 62944063), (39, 33892957), (49, 26976027), (91, 14525553), (147, 8992009), (273, 4841851), (637, 2075079), (1911, 691693)]