31818366

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 73751040

約数和(自身を除く): 41932674

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 71, 86, 129, 142, 193, 213, 258, 386, 387, 426, 579, 639, 774, 1158, 1161, 1278, 1737, 1917, 2322, 3053, 3474, 3834, 5211, 6106, 8299, 9159, 10422, 13703, 16598, 18318, 24897, 27406, 27477, 41109, 49794, 54954, 74691, 82218, 82431, 123327, 149382, 164862, 224073, 246654, 369981, 448146, 589229, 739962, 1178458, 1767687, 3535374, 5303061, 10606122, 15909183, 31818366]

約数ペア:

[(1, 31818366), (2, 15909183), (3, 10606122), (6, 5303061), (9, 3535374), (18, 1767687), (27, 1178458), (43, 739962), (54, 589229), (71, 448146), (86, 369981), (129, 246654), (142, 224073), (193, 164862), (213, 149382), (258, 123327), (386, 82431), (387, 82218), (426, 74691), (579, 54954), (639, 49794), (774, 41109), (1158, 27477), (1161, 27406), (1278, 24897), (1737, 18318), (1917, 16598), (2322, 13703), (3053, 10422), (3474, 9159), (3834, 8299), (5211, 6106)]