64123857

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^2\times {\mathrm{191}}^1$

素因数の和:350

約数の個数: 36

約数和(自身を含む): 107887104

約数和(自身を除く): 43763247

約数列:

[1, 3, 7, 9, 21, 63, 73, 191, 219, 511, 573, 657, 1337, 1533, 1719, 4011, 4599, 5329, 12033, 13943, 15987, 37303, 41829, 47961, 97601, 111909, 125487, 292803, 335727, 878409, 1017839, 3053517, 7124873, 9160551, 21374619, 64123857]

約数ペア:

[(1, 64123857), (3, 21374619), (7, 9160551), (9, 7124873), (21, 3053517), (63, 1017839), (73, 878409), (191, 335727), (219, 292803), (511, 125487), (573, 111909), (657, 97601), (1337, 47961), (1533, 41829), (1719, 37303), (4011, 15987), (4599, 13943), (5329, 12033)]