28059291

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{26647}}^1$

素因数の和:26672

約数の個数: 20

約数和(自身を含む): 45141712

約数和(自身を除く): 17082421

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 26647, 79941, 239823, 346411, 719469, 1039233, 2158407, 3117699, 9353097, 28059291]

約数ペア:

[(1, 28059291), (3, 9353097), (9, 3117699), (13, 2158407), (27, 1039233), (39, 719469), (81, 346411), (117, 239823), (351, 79941), (1053, 26647)]