28916199

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2447}}^1$

素因数の和:2567

約数の個数: 24

約数和(自身を含む): 45444672

約数和(自身を除く): 16528473

約数列:

[1, 3, 9, 13, 39, 101, 117, 303, 909, 1313, 2447, 3939, 7341, 11817, 22023, 31811, 95433, 247147, 286299, 741441, 2224323, 3212911, 9638733, 28916199]

約数ペア:

[(1, 28916199), (3, 9638733), (9, 3212911), (13, 2224323), (39, 741441), (101, 286299), (117, 247147), (303, 95433), (909, 31811), (1313, 22023), (2447, 11817), (3939, 7341)]