51218355

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4789}}^1$

素因数の和:4851

約数の個数: 32

約数和(自身を含む): 88289280

約数和(自身を除く): 37070925

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 3565, 4789, 10695, 14367, 23945, 71835, 110147, 148459, 330441, 445377, 550735, 742295, 1652205, 2226885, 3414557, 10243671, 17072785, 51218355]

約数ペア:

[(1, 51218355), (3, 17072785), (5, 10243671), (15, 3414557), (23, 2226885), (31, 1652205), (69, 742295), (93, 550735), (115, 445377), (155, 330441), (345, 148459), (465, 110147), (713, 71835), (2139, 23945), (3565, 14367), (4789, 10695)]