2721105

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3557}}^1$

素因数の和:3585

約数の個数: 24

約数和(自身を含む): 4995432

約数和(自身を除く): 2274327

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 3557, 10671, 17785, 32013, 53355, 60469, 160065, 181407, 302345, 544221, 907035, 2721105]

約数ペア:

[(1, 2721105), (3, 907035), (5, 544221), (9, 302345), (15, 181407), (17, 160065), (45, 60469), (51, 53355), (85, 32013), (153, 17785), (255, 10671), (765, 3557)]