248977155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139483}}^1$

素因数の和:139515

約数の個数: 32

約数和(自身を含む): 482056704

約数和(自身を除く): 233079549

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 139483, 418449, 697415, 976381, 2092245, 2371211, 2929143, 4881905, 7113633, 11856055, 14645715, 16598477, 35568165, 49795431, 82992385, 248977155]

約数ペア:

[(1, 248977155), (3, 82992385), (5, 49795431), (7, 35568165), (15, 16598477), (17, 14645715), (21, 11856055), (35, 7113633), (51, 4881905), (85, 2929143), (105, 2371211), (119, 2092245), (255, 976381), (357, 697415), (595, 418449), (1785, 139483)]