12977475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 25831680

約数和(自身を除く): 12854205

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1301, 1425, 1995, 3325, 3903, 6505, 9107, 9975, 19515, 24719, 27321, 32525, 45535, 74157, 97575, 123595, 136605, 173033, 227675, 370785, 519099, 617975, 683025, 865165, 1853925, 2595495, 4325825, 12977475]

約数ペア:

[(1, 12977475), (3, 4325825), (5, 2595495), (7, 1853925), (15, 865165), (19, 683025), (21, 617975), (25, 519099), (35, 370785), (57, 227675), (75, 173033), (95, 136605), (105, 123595), (133, 97575), (175, 74157), (285, 45535), (399, 32525), (475, 27321), (525, 24719), (665, 19515), (1301, 9975), (1425, 9107), (1995, 6505), (3325, 3903)]