15779855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 23654400

約数和(自身を除く): 7874545

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 439, 455, 553, 1027, 2195, 2765, 3073, 5135, 5707, 7189, 15365, 28535, 34681, 35945, 39949, 173405, 199745, 242767, 450853, 1213835, 2254265, 3155971, 15779855]

約数ペア:

[(1, 15779855), (5, 3155971), (7, 2254265), (13, 1213835), (35, 450853), (65, 242767), (79, 199745), (91, 173405), (395, 39949), (439, 35945), (455, 34681), (553, 28535), (1027, 15365), (2195, 7189), (2765, 5707), (3073, 5135)]