285390213

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 402192000

約数和(自身を除く): 116801787

約数列:

[1, 3, 37, 53, 111, 139, 159, 349, 417, 1047, 1961, 5143, 5883, 7367, 12913, 15429, 18497, 22101, 38739, 48511, 55491, 145533, 272579, 684389, 817737, 1794907, 2053167, 2571083, 5384721, 7713249, 95130071, 285390213]

約数ペア:

[(1, 285390213), (3, 95130071), (37, 7713249), (53, 5384721), (111, 2571083), (139, 2053167), (159, 1794907), (349, 817737), (417, 684389), (1047, 272579), (1961, 145533), (5143, 55491), (5883, 48511), (7367, 38739), (12913, 22101), (15429, 18497)]