51157275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 92494080

約数和(自身を除く): 41336805

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 325, 355, 739, 923, 975, 1065, 1775, 2217, 2769, 3695, 4615, 5325, 9607, 11085, 13845, 18475, 23075, 28821, 48035, 52469, 55425, 69225, 144105, 157407, 240175, 262345, 682097, 720525, 787035, 1311725, 2046291, 3410485, 3935175, 10231455, 17052425, 51157275]

約数ペア:

[(1, 51157275), (3, 17052425), (5, 10231455), (13, 3935175), (15, 3410485), (25, 2046291), (39, 1311725), (65, 787035), (71, 720525), (75, 682097), (195, 262345), (213, 240175), (325, 157407), (355, 144105), (739, 69225), (923, 55425), (975, 52469), (1065, 48035), (1775, 28821), (2217, 23075), (2769, 18475), (3695, 13845), (4615, 11085), (5325, 9607)]