61380558

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 144752640

約数和(自身を除く): 83372082

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 37, 54, 62, 74, 93, 111, 186, 222, 279, 333, 558, 666, 837, 991, 999, 1147, 1674, 1982, 1998, 2294, 2973, 3441, 5946, 6882, 8919, 10323, 17838, 20646, 26757, 30721, 30969, 36667, 53514, 61442, 61938, 73334, 92163, 110001, 184326, 220002, 276489, 330003, 552978, 660006, 829467, 990009, 1136677, 1658934, 1980018, 2273354, 3410031, 6820062, 10230093, 20460186, 30690279, 61380558]

約数ペア:

[(1, 61380558), (2, 30690279), (3, 20460186), (6, 10230093), (9, 6820062), (18, 3410031), (27, 2273354), (31, 1980018), (37, 1658934), (54, 1136677), (62, 990009), (74, 829467), (93, 660006), (111, 552978), (186, 330003), (222, 276489), (279, 220002), (333, 184326), (558, 110001), (666, 92163), (837, 73334), (991, 61938), (999, 61442), (1147, 53514), (1674, 36667), (1982, 30969), (1998, 30721), (2294, 26757), (2973, 20646), (3441, 17838), (5946, 10323), (6882, 8919)]