13455939

素因数分解:

$3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 21012480

約数和(自身を除く): 7556541

約数列:

[1, 3, 7, 21, 49, 147, 239, 383, 717, 1149, 1673, 2681, 5019, 8043, 11711, 18767, 35133, 56301, 91537, 274611, 640759, 1922277, 4485313, 13455939]

約数ペア:

[(1, 13455939), (3, 4485313), (7, 1922277), (21, 640759), (49, 274611), (147, 91537), (239, 56301), (383, 35133), (717, 18767), (1149, 11711), (1673, 8043), (2681, 5019)]