11981295

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1471}}^1$

素因数の和:1663

約数の個数: 24

約数和(自身を含む): 20896512

約数和(自身を除く): 8915217

約数列:

[1, 3, 5, 9, 15, 45, 181, 543, 905, 1471, 1629, 2715, 4413, 7355, 8145, 13239, 22065, 66195, 266251, 798753, 1331255, 2396259, 3993765, 11981295]

約数ペア:

[(1, 11981295), (3, 3993765), (5, 2396259), (9, 1331255), (15, 798753), (45, 266251), (181, 66195), (543, 22065), (905, 13239), (1471, 8145), (1629, 7355), (2715, 4413)]