66180225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{20521}}^1$

素因数の和:20577

約数の個数: 24

約数和(自身を含む): 111968032

約数和(自身を除く): 45787807

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 20521, 61563, 102605, 307815, 513025, 882403, 1539075, 2647209, 4412015, 13236045, 22060075, 66180225]

約数ペア:

[(1, 66180225), (3, 22060075), (5, 13236045), (15, 4412015), (25, 2647209), (43, 1539075), (75, 882403), (129, 513025), (215, 307815), (645, 102605), (1075, 61563), (3225, 20521)]