252175581

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1103}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 440893440

約数和(自身を除く): 188717859

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 191, 399, 573, 1103, 1197, 1337, 1719, 3309, 3629, 4011, 7721, 9927, 10887, 12033, 20957, 23163, 25403, 32661, 62871, 69489, 76209, 146699, 188613, 210673, 228627, 440097, 632019, 1320291, 1474711, 1896057, 4002787, 4424133, 12008361, 13272399, 28019509, 36025083, 84058527, 252175581]

約数ペア:

[(1, 252175581), (3, 84058527), (7, 36025083), (9, 28019509), (19, 13272399), (21, 12008361), (57, 4424133), (63, 4002787), (133, 1896057), (171, 1474711), (191, 1320291), (399, 632019), (573, 440097), (1103, 228627), (1197, 210673), (1337, 188613), (1719, 146699), (3309, 76209), (3629, 69489), (4011, 62871), (7721, 32661), (9927, 25403), (10887, 23163), (12033, 20957)]