858240117

素因数分解:

$3^4\times 7^1\times {\mathrm{1513651}}^1$

素因数の和:1513670

約数の個数: 20

約数和(自身を含む): 1465215136

約数和(自身を除く): 606975019

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1513651, 4540953, 10595557, 13622859, 31786671, 40868577, 95360013, 122605731, 286080039, 858240117]

約数ペア:

[(1, 858240117), (3, 286080039), (7, 122605731), (9, 95360013), (21, 40868577), (27, 31786671), (63, 13622859), (81, 10595557), (189, 4540953), (567, 1513651)]