247659315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{26249}}^1$

素因数の和:26311

約数の個数: 32

約数和(自身を含む): 430920000

約数和(自身を除く): 183260685

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 3145, 9435, 26249, 78747, 131245, 393735, 446233, 971213, 1338699, 2231165, 2913639, 4856065, 6693495, 14568195, 16510621, 49531863, 82553105, 247659315]

約数ペア:

[(1, 247659315), (3, 82553105), (5, 49531863), (15, 16510621), (17, 14568195), (37, 6693495), (51, 4856065), (85, 2913639), (111, 2231165), (185, 1338699), (255, 971213), (555, 446233), (629, 393735), (1887, 131245), (3145, 78747), (9435, 26249)]