15120903

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37897}}^1$

素因数の和:37926

約数の個数: 16

約数和(自身を含む): 24254720

約数和(自身を除く): 9133817

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 37897, 113691, 265279, 720043, 795837, 2160129, 5040301, 15120903]

約数ペア:

[(1, 15120903), (3, 5040301), (7, 2160129), (19, 795837), (21, 720043), (57, 265279), (133, 113691), (399, 37897)]