51408987

素因数分解:

$3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{1831}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 80197632

約数和(自身を除く): 28788645

約数列:

[1, 3, 7, 21, 49, 147, 191, 573, 1337, 1831, 4011, 5493, 9359, 12817, 28077, 38451, 89719, 269157, 349721, 1049163, 2448047, 7344141, 17136329, 51408987]

約数ペア:

[(1, 51408987), (3, 17136329), (7, 7344141), (21, 2448047), (49, 1049163), (147, 349721), (191, 269157), (573, 89719), (1337, 38451), (1831, 28077), (4011, 12817), (5493, 9359)]