15779988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{20873}}^1$

素因数の和:20893

約数の個数: 48

約数和(自身を含む): 46757760

約数和(自身を除く): 30977772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 20873, 41746, 62619, 83492, 125238, 146111, 187857, 250476, 292222, 375714, 438333, 563571, 584444, 751428, 876666, 1127142, 1314999, 1753332, 2254284, 2629998, 3944997, 5259996, 7889994, 15779988]

約数ペア:

[(1, 15779988), (2, 7889994), (3, 5259996), (4, 3944997), (6, 2629998), (7, 2254284), (9, 1753332), (12, 1314999), (14, 1127142), (18, 876666), (21, 751428), (27, 584444), (28, 563571), (36, 438333), (42, 375714), (54, 292222), (63, 250476), (84, 187857), (108, 146111), (126, 125238), (189, 83492), (252, 62619), (378, 41746), (756, 20873)]