72648285

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 119843328

約数和(自身を除く): 47195043

約数列:

[1, 3, 5, 15, 43, 129, 163, 215, 489, 645, 691, 815, 2073, 2445, 3455, 7009, 10365, 21027, 29713, 35045, 89139, 105135, 112633, 148565, 337899, 445695, 563165, 1689495, 4843219, 14529657, 24216095, 72648285]

約数ペア:

[(1, 72648285), (3, 24216095), (5, 14529657), (15, 4843219), (43, 1689495), (129, 563165), (163, 445695), (215, 337899), (489, 148565), (645, 112633), (691, 105135), (815, 89139), (2073, 35045), (2445, 29713), (3455, 21027), (7009, 10365)]