15806205

素因数分解:

$3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{613}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 28293120

約数和(自身を除く): 12486915

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 191, 573, 613, 955, 1719, 1839, 2865, 3065, 5157, 5517, 8595, 9195, 16551, 25785, 27585, 82755, 117083, 351249, 585415, 1053747, 1756245, 3161241, 5268735, 15806205]

約数ペア:

[(1, 15806205), (3, 5268735), (5, 3161241), (9, 1756245), (15, 1053747), (27, 585415), (45, 351249), (135, 117083), (191, 82755), (573, 27585), (613, 25785), (955, 16551), (1719, 9195), (1839, 8595), (2865, 5517), (3065, 5157)]