27993555

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1129}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 52884000

約数和(自身を除く): 24890445

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 855, 1129, 1305, 1653, 2755, 3387, 4959, 5645, 8265, 10161, 16935, 21451, 24795, 32741, 50805, 64353, 98223, 107255, 163705, 193059, 294669, 321765, 491115, 622079, 965295, 1473345, 1866237, 3110395, 5598711, 9331185, 27993555]

約数ペア:

[(1, 27993555), (3, 9331185), (5, 5598711), (9, 3110395), (15, 1866237), (19, 1473345), (29, 965295), (45, 622079), (57, 491115), (87, 321765), (95, 294669), (145, 193059), (171, 163705), (261, 107255), (285, 98223), (435, 64353), (551, 50805), (855, 32741), (1129, 24795), (1305, 21451), (1653, 16935), (2755, 10161), (3387, 8265), (4959, 5645)]