3978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:38

約数の個数: 24

約数和(自身を含む): 9828

約数和(自身を除く): 5850

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978]

約数ペア:

[(1, 3978), (2, 1989), (3, 1326), (6, 663), (9, 442), (13, 306), (17, 234), (18, 221), (26, 153), (34, 117), (39, 102), (51, 78)]