51818205

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2371}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 87441408

約数和(自身を除く): 35623203

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 1457, 2371, 4371, 7113, 7285, 11855, 21855, 35565, 73501, 111437, 220503, 334311, 367505, 557185, 1102515, 1671555, 3454547, 10363641, 17272735, 51818205]

約数ペア:

[(1, 51818205), (3, 17272735), (5, 10363641), (15, 3454547), (31, 1671555), (47, 1102515), (93, 557185), (141, 367505), (155, 334311), (235, 220503), (465, 111437), (705, 73501), (1457, 35565), (2371, 21855), (4371, 11855), (7113, 7285)]