17974791

素因数分解:

$3^4\times {\mathrm{53}}^2\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 30

約数和(自身を含む): 27713840

約数和(自身を除く): 9739049

約数列:

[1, 3, 9, 27, 53, 79, 81, 159, 237, 477, 711, 1431, 2133, 2809, 4187, 4293, 6399, 8427, 12561, 25281, 37683, 75843, 113049, 221911, 227529, 339147, 665733, 1997199, 5991597, 17974791]

約数ペア:

[(1, 17974791), (3, 5991597), (9, 1997199), (27, 665733), (53, 339147), (79, 227529), (81, 221911), (159, 113049), (237, 75843), (477, 37683), (711, 25281), (1431, 12561), (2133, 8427), (2809, 6399), (4187, 4293)]