68097975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 123742080

約数和(自身を除く): 55644105

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 197, 275, 419, 591, 825, 985, 1257, 2095, 2167, 2955, 4609, 4925, 6285, 6501, 10475, 10835, 13827, 14775, 23045, 31425, 32505, 54175, 69135, 82543, 115225, 162525, 247629, 345675, 412715, 907973, 1238145, 2063575, 2723919, 4539865, 6190725, 13619595, 22699325, 68097975]

約数ペア:

[(1, 68097975), (3, 22699325), (5, 13619595), (11, 6190725), (15, 4539865), (25, 2723919), (33, 2063575), (55, 1238145), (75, 907973), (165, 412715), (197, 345675), (275, 247629), (419, 162525), (591, 115225), (825, 82543), (985, 69135), (1257, 54175), (2095, 32505), (2167, 31425), (2955, 23045), (4609, 14775), (4925, 13827), (6285, 10835), (6501, 10475)]