66801891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5303}}^1$

素因数の和:5355

約数の個数: 32

約数和(自身を含む): 106928640

約数和(自身を除く): 40126749

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 4199, 5303, 12597, 15909, 68939, 90151, 100757, 206817, 270453, 302271, 1171963, 1309841, 1712869, 3515889, 3929523, 5138607, 22267297, 66801891]

約数ペア:

[(1, 66801891), (3, 22267297), (13, 5138607), (17, 3929523), (19, 3515889), (39, 1712869), (51, 1309841), (57, 1171963), (221, 302271), (247, 270453), (323, 206817), (663, 100757), (741, 90151), (969, 68939), (4199, 15909), (5303, 12597)]