77988165

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 126959616

約数和(自身を除く): 48971451

約数列:

[1, 3, 5, 15, 163, 167, 191, 489, 501, 573, 815, 835, 955, 2445, 2505, 2865, 27221, 31133, 31897, 81663, 93399, 95691, 136105, 155665, 159485, 408315, 466995, 478455, 5199211, 15597633, 25996055, 77988165]

約数ペア:

[(1, 77988165), (3, 25996055), (5, 15597633), (15, 5199211), (163, 478455), (167, 466995), (191, 408315), (489, 159485), (501, 155665), (573, 136105), (815, 95691), (835, 93399), (955, 81663), (2445, 31897), (2505, 31133), (2865, 27221)]