13218129

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4547}}^1$

素因数の和:4589

約数の個数: 24

約数和(自身を含む): 21284640

約数和(自身を除く): 8066511

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 4547, 13641, 40923, 77299, 86393, 231897, 259179, 695691, 777537, 1468681, 4406043, 13218129]

約数ペア:

[(1, 13218129), (3, 4406043), (9, 1468681), (17, 777537), (19, 695691), (51, 259179), (57, 231897), (153, 86393), (171, 77299), (323, 40923), (969, 13641), (2907, 4547)]