26881281

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3469}}^1$

素因数の和:3526

約数の個数: 32

約数和(自身を含む): 46636800

約数和(自身を除く): 19755519

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 3469, 7749, 10407, 24283, 31221, 72849, 93663, 142229, 218547, 426687, 655641, 995603, 1280061, 2986809, 3840183, 8960427, 26881281]

約数ペア:

[(1, 26881281), (3, 8960427), (7, 3840183), (9, 2986809), (21, 1280061), (27, 995603), (41, 655641), (63, 426687), (123, 218547), (189, 142229), (287, 93663), (369, 72849), (861, 31221), (1107, 24283), (2583, 10407), (3469, 7749)]