8009295

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 15808608

約数和(自身を除く): 7799313

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 641, 735, 833, 1785, 1923, 2499, 3205, 4165, 4487, 9615, 10897, 12495, 13461, 22435, 31409, 32691, 54485, 67305, 76279, 94227, 157045, 163455, 228837, 381395, 471135, 533953, 1144185, 1601859, 2669765, 8009295]

約数ペア:

[(1, 8009295), (3, 2669765), (5, 1601859), (7, 1144185), (15, 533953), (17, 471135), (21, 381395), (35, 228837), (49, 163455), (51, 157045), (85, 94227), (105, 76279), (119, 67305), (147, 54485), (245, 32691), (255, 31409), (357, 22435), (595, 13461), (641, 12495), (735, 10897), (833, 9615), (1785, 4487), (1923, 4165), (2499, 3205)]