421897983

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13241}}^1$

素因数の和:13319

約数の個数: 32

約数和(自身を含む): 652565760

約数和(自身を除く): 230667777

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 559, 741, 817, 1677, 2451, 10621, 13241, 31863, 39723, 172133, 251579, 516399, 569363, 754737, 1708089, 3270527, 7401719, 9811581, 10817897, 22205157, 32453691, 140632661, 421897983]

約数ペア:

[(1, 421897983), (3, 140632661), (13, 32453691), (19, 22205157), (39, 10817897), (43, 9811581), (57, 7401719), (129, 3270527), (247, 1708089), (559, 754737), (741, 569363), (817, 516399), (1677, 251579), (2451, 172133), (10621, 39723), (13241, 31863)]