248727255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139343}}^1$

素因数の和:139375

約数の個数: 32

約数和(自身を含む): 481572864

約数和(自身を除く): 232845609

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 139343, 418029, 696715, 975401, 2090145, 2368831, 2926203, 4877005, 7106493, 11844155, 14631015, 16581817, 35532465, 49745451, 82909085, 248727255]

約数ペア:

[(1, 248727255), (3, 82909085), (5, 49745451), (7, 35532465), (15, 16581817), (17, 14631015), (21, 11844155), (35, 7106493), (51, 4877005), (85, 2926203), (105, 2368831), (119, 2090145), (255, 975401), (357, 696715), (595, 418029), (1785, 139343)]