81718974

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{62191}}^1$

素因数の和:62272

約数の個数: 24

約数和(自身を含む): 179486112

約数和(自身を除く): 97767138

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 62191, 124382, 186573, 373146, 559719, 1119438, 4539943, 9079886, 13619829, 27239658, 40859487, 81718974]

約数ペア:

[(1, 81718974), (2, 40859487), (3, 27239658), (6, 13619829), (9, 9079886), (18, 4539943), (73, 1119438), (146, 559719), (219, 373146), (438, 186573), (657, 124382), (1314, 62191)]