31690278

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:379

約数の個数: 80

約数和(自身を含む): 77467104

約数和(自身を除く): 45776826

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 37, 51, 54, 74, 81, 102, 111, 153, 162, 222, 306, 311, 333, 459, 622, 629, 666, 918, 933, 999, 1258, 1377, 1866, 1887, 1998, 2754, 2799, 2997, 3774, 5287, 5598, 5661, 5994, 8397, 10574, 11322, 11507, 15861, 16794, 16983, 23014, 25191, 31722, 33966, 34521, 47583, 50382, 50949, 69042, 95166, 101898, 103563, 142749, 195619, 207126, 285498, 310689, 391238, 428247, 586857, 621378, 856494, 932067, 1173714, 1760571, 1864134, 3521142, 5281713, 10563426, 15845139, 31690278]

約数ペア:

[(1, 31690278), (2, 15845139), (3, 10563426), (6, 5281713), (9, 3521142), (17, 1864134), (18, 1760571), (27, 1173714), (34, 932067), (37, 856494), (51, 621378), (54, 586857), (74, 428247), (81, 391238), (102, 310689), (111, 285498), (153, 207126), (162, 195619), (222, 142749), (306, 103563), (311, 101898), (333, 95166), (459, 69042), (622, 50949), (629, 50382), (666, 47583), (918, 34521), (933, 33966), (999, 31722), (1258, 25191), (1377, 23014), (1866, 16983), (1887, 16794), (1998, 15861), (2754, 11507), (2799, 11322), (2997, 10574), (3774, 8397), (5287, 5994), (5598, 5661)]