166399821

素因数分解:

$3^2\times 7^1\times {\mathrm{751}}^1\times {\mathrm{3517}}^1$

素因数の和:4281

約数の個数: 24

約数和(自身を含む): 275135744

約数和(自身を除く): 108735923

約数列:

[1, 3, 7, 9, 21, 63, 751, 2253, 3517, 5257, 6759, 10551, 15771, 24619, 31653, 47313, 73857, 221571, 2641267, 7923801, 18488869, 23771403, 55466607, 166399821]

約数ペア:

[(1, 166399821), (3, 55466607), (7, 23771403), (9, 18488869), (21, 7923801), (63, 2641267), (751, 221571), (2253, 73857), (3517, 47313), (5257, 31653), (6759, 24619), (10551, 15771)]