219953925

素因数分解:

$3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{9491}}^1$

素因数の和:9610

約数の個数: 36

約数和(自身を含む): 397828704

約数和(自身を除く): 177874779

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 225, 309, 515, 927, 1545, 2575, 4635, 7725, 9491, 23175, 28473, 47455, 85419, 142365, 237275, 427095, 711825, 977573, 2135475, 2932719, 4887865, 8798157, 14663595, 24439325, 43990785, 73317975, 219953925]

約数ペア:

[(1, 219953925), (3, 73317975), (5, 43990785), (9, 24439325), (15, 14663595), (25, 8798157), (45, 4887865), (75, 2932719), (103, 2135475), (225, 977573), (309, 711825), (515, 427095), (927, 237275), (1545, 142365), (2575, 85419), (4635, 47455), (7725, 28473), (9491, 23175)]