81128205

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{9439}}^1$

素因数の和:9641

約数の個数: 24

約数和(自身を含む): 141373440

約数和(自身を除く): 60245235

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 2865, 8595, 9439, 28317, 47195, 84951, 141585, 424755, 1802849, 5408547, 9014245, 16225641, 27042735, 81128205]

約数ペア:

[(1, 81128205), (3, 27042735), (5, 16225641), (9, 9014245), (15, 5408547), (45, 1802849), (191, 424755), (573, 141585), (955, 84951), (1719, 47195), (2865, 28317), (8595, 9439)]