85831575

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 146779296

約数和(自身を除く): 60947721

約数列:

[1, 3, 5, 15, 25, 61, 73, 75, 183, 219, 257, 305, 365, 771, 915, 1095, 1285, 1525, 1825, 3855, 4453, 4575, 5475, 6425, 13359, 15677, 18761, 19275, 22265, 47031, 56283, 66795, 78385, 93805, 111325, 235155, 281415, 333975, 391925, 469025, 1144421, 1175775, 1407075, 3433263, 5722105, 17166315, 28610525, 85831575]

約数ペア:

[(1, 85831575), (3, 28610525), (5, 17166315), (15, 5722105), (25, 3433263), (61, 1407075), (73, 1175775), (75, 1144421), (183, 469025), (219, 391925), (257, 333975), (305, 281415), (365, 235155), (771, 111325), (915, 93805), (1095, 78385), (1285, 66795), (1525, 56283), (1825, 47031), (3855, 22265), (4453, 19275), (4575, 18761), (5475, 15677), (6425, 13359)]