81955818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10663}}^1$

素因数の和:10739

約数の個数: 48

約数和(自身を含む): 206284416

約数和(自身を除く): 124328598

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 3843, 7686, 10663, 21326, 31989, 63978, 74641, 95967, 149282, 191934, 223923, 447846, 650443, 671769, 1300886, 1343538, 1951329, 3902658, 4553101, 5853987, 9106202, 11707974, 13659303, 27318606, 40977909, 81955818]

約数ペア:

[(1, 81955818), (2, 40977909), (3, 27318606), (6, 13659303), (7, 11707974), (9, 9106202), (14, 5853987), (18, 4553101), (21, 3902658), (42, 1951329), (61, 1343538), (63, 1300886), (122, 671769), (126, 650443), (183, 447846), (366, 223923), (427, 191934), (549, 149282), (854, 95967), (1098, 74641), (1281, 63978), (2562, 31989), (3843, 21326), (7686, 10663)]