127638975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{100109}}^1$

素因数の和:100139

約数の個数: 24

約数和(自身を含む): 223445520

約数和(自身を除く): 95806545

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 100109, 300327, 500545, 1501635, 1701853, 2502725, 5105559, 7508175, 8509265, 25527795, 42546325, 127638975]

約数ペア:

[(1, 127638975), (3, 42546325), (5, 25527795), (15, 8509265), (17, 7508175), (25, 5105559), (51, 2502725), (75, 1701853), (85, 1501635), (255, 500545), (425, 300327), (1275, 100109)]