31230513

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 50409216

約数和(自身を除く): 19178703

約数列:

[1, 3, 9, 17, 43, 47, 51, 101, 129, 141, 153, 303, 387, 423, 731, 799, 909, 1717, 2021, 2193, 2397, 4343, 4747, 5151, 6063, 6579, 7191, 13029, 14241, 15453, 18189, 34357, 39087, 42723, 73831, 80699, 103071, 204121, 221493, 242097, 309213, 612363, 664479, 726291, 1837089, 3470057, 10410171, 31230513]

約数ペア:

[(1, 31230513), (3, 10410171), (9, 3470057), (17, 1837089), (43, 726291), (47, 664479), (51, 612363), (101, 309213), (129, 242097), (141, 221493), (153, 204121), (303, 103071), (387, 80699), (423, 73831), (731, 42723), (799, 39087), (909, 34357), (1717, 18189), (2021, 15453), (2193, 14241), (2397, 13029), (4343, 7191), (4747, 6579), (5151, 6063)]