27488223

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 47407360

約数和(自身を除く): 19919137

約数列:

[1, 3, 7, 9, 21, 43, 63, 73, 129, 139, 219, 301, 387, 417, 511, 657, 903, 973, 1251, 1533, 2709, 2919, 3139, 4599, 5977, 8757, 9417, 10147, 17931, 21973, 28251, 30441, 41839, 53793, 65919, 71029, 91323, 125517, 197757, 213087, 376551, 436321, 639261, 1308963, 3054247, 3926889, 9162741, 27488223]

約数ペア:

[(1, 27488223), (3, 9162741), (7, 3926889), (9, 3054247), (21, 1308963), (43, 639261), (63, 436321), (73, 376551), (129, 213087), (139, 197757), (219, 125517), (301, 91323), (387, 71029), (417, 65919), (511, 53793), (657, 41839), (903, 30441), (973, 28251), (1251, 21973), (1533, 17931), (2709, 10147), (2919, 9417), (3139, 8757), (4599, 5977)]