7121385

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 13996800

約数和(自身を除く): 6875415

約数列:

[1, 3, 5, 9, 15, 17, 27, 29, 45, 51, 85, 87, 107, 135, 145, 153, 255, 261, 321, 435, 459, 493, 535, 765, 783, 963, 1305, 1479, 1605, 1819, 2295, 2465, 2889, 3103, 3915, 4437, 4815, 5457, 7395, 9095, 9309, 13311, 14445, 15515, 16371, 22185, 27285, 27927, 46545, 49113, 52751, 66555, 81855, 83781, 139635, 158253, 245565, 263755, 418905, 474759, 791265, 1424277, 2373795, 7121385]

約数ペア:

[(1, 7121385), (3, 2373795), (5, 1424277), (9, 791265), (15, 474759), (17, 418905), (27, 263755), (29, 245565), (45, 158253), (51, 139635), (85, 83781), (87, 81855), (107, 66555), (135, 52751), (145, 49113), (153, 46545), (255, 27927), (261, 27285), (321, 22185), (435, 16371), (459, 15515), (493, 14445), (535, 13311), (765, 9309), (783, 9095), (963, 7395), (1305, 5457), (1479, 4815), (1605, 4437), (1819, 3915), (2295, 3103), (2465, 2889)]