72640155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5281}}^1$

素因数の和:5427

約数の個数: 32

約数和(自身を含む): 133867008

約数和(自身を除く): 61226853

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1965, 2751, 4585, 5281, 13755, 15843, 26405, 36967, 79215, 110901, 184835, 554505, 691811, 2075433, 3459055, 4842677, 10377165, 14528031, 24213385, 72640155]

約数ペア:

[(1, 72640155), (3, 24213385), (5, 14528031), (7, 10377165), (15, 4842677), (21, 3459055), (35, 2075433), (105, 691811), (131, 554505), (393, 184835), (655, 110901), (917, 79215), (1965, 36967), (2751, 26405), (4585, 15843), (5281, 13755)]