66647745

素因数分解:

$3^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1289}}^1$

素因数の和:1686

約数の個数: 32

約数和(自身を含む): 118886400

約数和(自身を除く): 52238655

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 383, 1149, 1289, 1915, 3447, 3867, 5745, 6445, 10341, 11601, 17235, 19335, 34803, 51705, 58005, 174015, 493687, 1481061, 2468435, 4443183, 7405305, 13329549, 22215915, 66647745]

約数ペア:

[(1, 66647745), (3, 22215915), (5, 13329549), (9, 7405305), (15, 4443183), (27, 2468435), (45, 1481061), (135, 493687), (383, 174015), (1149, 58005), (1289, 51705), (1915, 34803), (3447, 19335), (3867, 17235), (5745, 11601), (6445, 10341)]