12867255

素因数分解:

$3^4\times 5^1\times {\mathrm{31771}}^1$

素因数の和:31788

約数の個数: 20

約数和(自身を含む): 23066472

約数和(自身を除く): 10199217

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31771, 95313, 158855, 285939, 476565, 857817, 1429695, 2573451, 4289085, 12867255]

約数ペア:

[(1, 12867255), (3, 4289085), (5, 2573451), (9, 1429695), (15, 857817), (27, 476565), (45, 285939), (81, 158855), (135, 95313), (405, 31771)]