81975516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{975899}}^1$

素因数の和:975913

約数の個数: 24

約数和(自身を含む): 218601600

約数和(自身を除く): 136626084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 975899, 1951798, 2927697, 3903596, 5855394, 6831293, 11710788, 13662586, 20493879, 27325172, 40987758, 81975516]

約数ペア:

[(1, 81975516), (2, 40987758), (3, 27325172), (4, 20493879), (6, 13662586), (7, 11710788), (12, 6831293), (14, 5855394), (21, 3903596), (28, 2927697), (42, 1951798), (84, 975899)]