66728151

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1681

約数の個数: 48

約数和(自身を含む): 118778880

約数和(自身を除く): 52050729

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 441, 651, 837, 1323, 1519, 1627, 1953, 4557, 4881, 5859, 11389, 13671, 14643, 34167, 41013, 43929, 50437, 79723, 102501, 151311, 239169, 307503, 353059, 453933, 717507, 1059177, 1361799, 2152521, 2471413, 3177531, 7414239, 9532593, 22242717, 66728151]

約数ペア:

[(1, 66728151), (3, 22242717), (7, 9532593), (9, 7414239), (21, 3177531), (27, 2471413), (31, 2152521), (49, 1361799), (63, 1059177), (93, 717507), (147, 453933), (189, 353059), (217, 307503), (279, 239169), (441, 151311), (651, 102501), (837, 79723), (1323, 50437), (1519, 43929), (1627, 41013), (1953, 34167), (4557, 14643), (4881, 13671), (5859, 11389)]