128839665

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{2707}}^1$

素因数の和:2901

約数の個数: 32

約数和(自身を含む): 218373120

約数和(自身を除く): 89533455

約数列:

[1, 3, 5, 15, 19, 57, 95, 167, 285, 501, 835, 2505, 2707, 3173, 8121, 9519, 13535, 15865, 40605, 47595, 51433, 154299, 257165, 452069, 771495, 1356207, 2260345, 6781035, 8589311, 25767933, 42946555, 128839665]

約数ペア:

[(1, 128839665), (3, 42946555), (5, 25767933), (15, 8589311), (19, 6781035), (57, 2260345), (95, 1356207), (167, 771495), (285, 452069), (501, 257165), (835, 154299), (2505, 51433), (2707, 47595), (3173, 40605), (8121, 15865), (9519, 13535)]