12758025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 25395200

約数和(自身を除く): 12637175

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1279, 1425, 1995, 3325, 3837, 6395, 8953, 9975, 19185, 24301, 26859, 31975, 44765, 72903, 95925, 121505, 134295, 170107, 223825, 364515, 510321, 607525, 671475, 850535, 1822575, 2551605, 4252675, 12758025]

約数ペア:

[(1, 12758025), (3, 4252675), (5, 2551605), (7, 1822575), (15, 850535), (19, 671475), (21, 607525), (25, 510321), (35, 364515), (57, 223825), (75, 170107), (95, 134295), (105, 121505), (133, 95925), (175, 72903), (285, 44765), (399, 31975), (475, 26859), (525, 24301), (665, 19185), (1279, 9975), (1425, 8953), (1995, 6395), (3325, 3837)]