131240571

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{81163}}^1$

素因数の和:81191

約数の個数: 24

約数和(自身を含む): 222064704

約数和(自身を除く): 90824133

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 81163, 243489, 568141, 892793, 1704423, 2678379, 3976987, 6249551, 11930961, 18748653, 43746857, 131240571]

約数ペア:

[(1, 131240571), (3, 43746857), (7, 18748653), (11, 11930961), (21, 6249551), (33, 3976987), (49, 2678379), (77, 1704423), (147, 892793), (231, 568141), (539, 243489), (1617, 81163)]