81031518

素因数分解:

$2^1\times 3^2\times {\mathrm{349}}^1\times {\mathrm{12899}}^1$

素因数の和:13256

約数の個数: 24

約数和(自身を含む): 176085000

約数和(自身を除く): 95053482

約数列:

[1, 2, 3, 6, 9, 18, 349, 698, 1047, 2094, 3141, 6282, 12899, 25798, 38697, 77394, 116091, 232182, 4501751, 9003502, 13505253, 27010506, 40515759, 81031518]

約数ペア:

[(1, 81031518), (2, 40515759), (3, 27010506), (6, 13505253), (9, 9003502), (18, 4501751), (349, 232182), (698, 116091), (1047, 77394), (2094, 38697), (3141, 25798), (6282, 12899)]