28655115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1091}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 49061376

約数和(自身を除く): 20406261

約数列:

[1, 3, 5, 15, 17, 51, 85, 103, 255, 309, 515, 1091, 1545, 1751, 3273, 5253, 5455, 8755, 16365, 18547, 26265, 55641, 92735, 112373, 278205, 337119, 561865, 1685595, 1910341, 5731023, 9551705, 28655115]

約数ペア:

[(1, 28655115), (3, 9551705), (5, 5731023), (15, 1910341), (17, 1685595), (51, 561865), (85, 337119), (103, 278205), (255, 112373), (309, 92735), (515, 55641), (1091, 26265), (1545, 18547), (1751, 16365), (3273, 8755), (5253, 5455)]