2660219289

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3248131}}^1$

素因数の和:3248157

約数の個数: 24

約数和(自身を含む): 4729280192

約数和(自身を除く): 2069060903

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 3248131, 9744393, 22736917, 29233179, 42225703, 68210751, 126677109, 204632253, 295579921, 380031327, 886739763, 2660219289]

約数ペア:

[(1, 2660219289), (3, 886739763), (7, 380031327), (9, 295579921), (13, 204632253), (21, 126677109), (39, 68210751), (63, 42225703), (91, 29233179), (117, 22736917), (273, 9744393), (819, 3248131)]