27172971

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 20001429

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 107, 139, 203, 261, 321, 417, 609, 749, 963, 973, 1251, 1827, 2247, 2919, 3103, 4031, 6741, 8757, 9309, 12093, 14873, 21721, 27927, 28217, 36279, 44619, 65163, 84651, 104111, 133857, 195489, 253953, 312333, 431317, 936999, 1293951, 3019219, 3881853, 9057657, 27172971]

約数ペア:

[(1, 27172971), (3, 9057657), (7, 3881853), (9, 3019219), (21, 1293951), (29, 936999), (63, 431317), (87, 312333), (107, 253953), (139, 195489), (203, 133857), (261, 104111), (321, 84651), (417, 65163), (609, 44619), (749, 36279), (963, 28217), (973, 27927), (1251, 21721), (1827, 14873), (2247, 12093), (2919, 9309), (3103, 8757), (4031, 6741)]