12856551255

素因数分解:

$3^4\times 5^1\times {\mathrm{31744571}}^1$

素因数の和:31744588

約数の個数: 20

約数和(自身を含む): 23046559272

約数和(自身を除く): 10190008017

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31744571, 95233713, 158722855, 285701139, 476168565, 857103417, 1428505695, 2571310251, 4285517085, 12856551255]

約数ペア:

[(1, 12856551255), (3, 4285517085), (5, 2571310251), (9, 1428505695), (15, 857103417), (27, 476168565), (45, 285701139), (81, 158722855), (135, 95233713), (405, 31744571)]