31721853

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 14726787

約数列:

[1, 3, 23, 29, 69, 83, 87, 191, 249, 573, 667, 1909, 2001, 2407, 4393, 5539, 5727, 7221, 13179, 15853, 16617, 47559, 55361, 127397, 166083, 364619, 382191, 459737, 1093857, 1379211, 10573951, 31721853]

約数ペア:

[(1, 31721853), (3, 10573951), (23, 1379211), (29, 1093857), (69, 459737), (83, 382191), (87, 364619), (191, 166083), (249, 127397), (573, 55361), (667, 47559), (1909, 16617), (2001, 15853), (2407, 13179), (4393, 7221), (5539, 5727)]