81975978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3371}}^1$

素因数の和:3579

約数の個数: 48

約数和(自身を含む): 204100416

約数和(自身を除く): 122124438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 193, 386, 579, 1158, 1351, 1737, 2702, 3371, 3474, 4053, 6742, 8106, 10113, 12159, 20226, 23597, 24318, 30339, 47194, 60678, 70791, 141582, 212373, 424746, 650603, 1301206, 1951809, 3903618, 4554221, 5855427, 9108442, 11710854, 13662663, 27325326, 40987989, 81975978]

約数ペア:

[(1, 81975978), (2, 40987989), (3, 27325326), (6, 13662663), (7, 11710854), (9, 9108442), (14, 5855427), (18, 4554221), (21, 3903618), (42, 1951809), (63, 1301206), (126, 650603), (193, 424746), (386, 212373), (579, 141582), (1158, 70791), (1351, 60678), (1737, 47194), (2702, 30339), (3371, 24318), (3474, 23597), (4053, 20226), (6742, 12159), (8106, 10113)]