27744561

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 48817080

約数和(自身を除く): 21072519

約数列:

[1, 3, 9, 13, 17, 29, 37, 39, 51, 87, 111, 117, 153, 169, 221, 261, 333, 377, 481, 493, 507, 629, 663, 1073, 1131, 1443, 1479, 1521, 1887, 1989, 2873, 3219, 3393, 4329, 4437, 4901, 5661, 6253, 6409, 8177, 8619, 9657, 13949, 14703, 18241, 18759, 19227, 24531, 25857, 41847, 44109, 54723, 56277, 57681, 73593, 83317, 106301, 125541, 164169, 181337, 237133, 249951, 318903, 544011, 711399, 749853, 956709, 1632033, 2134197, 3082729, 9248187, 27744561]

約数ペア:

[(1, 27744561), (3, 9248187), (9, 3082729), (13, 2134197), (17, 1632033), (29, 956709), (37, 749853), (39, 711399), (51, 544011), (87, 318903), (111, 249951), (117, 237133), (153, 181337), (169, 164169), (221, 125541), (261, 106301), (333, 83317), (377, 73593), (481, 57681), (493, 56277), (507, 54723), (629, 44109), (663, 41847), (1073, 25857), (1131, 24531), (1443, 19227), (1479, 18759), (1521, 18241), (1887, 14703), (1989, 13949), (2873, 9657), (3219, 8619), (3393, 8177), (4329, 6409), (4437, 6253), (4901, 5661)]