127687581

素因数分解:

$3^2\times 7^4\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:364

約数の個数: 60

約数和(自身を含む): 227217120

約数和(自身を除く): 99529539

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 311, 343, 399, 441, 931, 933, 1029, 1197, 2177, 2401, 2793, 2799, 3087, 5909, 6517, 6531, 7203, 8379, 15239, 17727, 19551, 19593, 21609, 41363, 45619, 45717, 53181, 58653, 106673, 124089, 136857, 137151, 289541, 320019, 372267, 410571, 746711, 868623, 960057, 2026787, 2240133, 2605869, 6080361, 6720399, 14187509, 18241083, 42562527, 127687581]

約数ペア:

[(1, 127687581), (3, 42562527), (7, 18241083), (9, 14187509), (19, 6720399), (21, 6080361), (49, 2605869), (57, 2240133), (63, 2026787), (133, 960057), (147, 868623), (171, 746711), (311, 410571), (343, 372267), (399, 320019), (441, 289541), (931, 137151), (933, 136857), (1029, 124089), (1197, 106673), (2177, 58653), (2401, 53181), (2793, 45717), (2799, 45619), (3087, 41363), (5909, 21609), (6517, 19593), (6531, 19551), (7203, 17727), (8379, 15239)]