15697538199

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{28447}}^1$

素因数の和:28940

約数の個数: 48

約数和(自身を含む): 27337390080

約数和(自身を除く): 11639851881

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 461, 1197, 1383, 3227, 4149, 8759, 9681, 26277, 28447, 29043, 61313, 78831, 85341, 183939, 199129, 256023, 540493, 551817, 597387, 1621479, 1792161, 3783451, 4864437, 11350353, 13114067, 34051059, 39342201, 91798469, 118026603, 249167273, 275395407, 747501819, 826186221, 1744170911, 2242505457, 5232512733, 15697538199]

約数ペア:

[(1, 15697538199), (3, 5232512733), (7, 2242505457), (9, 1744170911), (19, 826186221), (21, 747501819), (57, 275395407), (63, 249167273), (133, 118026603), (171, 91798469), (399, 39342201), (461, 34051059), (1197, 13114067), (1383, 11350353), (3227, 4864437), (4149, 3783451), (8759, 1792161), (9681, 1621479), (26277, 597387), (28447, 551817), (29043, 540493), (61313, 256023), (78831, 199129), (85341, 183939)]