28190223

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 41934672

約数和(自身を除く): 13744449

約数列:

[1, 3, 9, 53, 113, 159, 339, 477, 523, 1017, 1569, 4707, 5989, 17967, 27719, 53901, 59099, 83157, 177297, 249471, 531891, 3132247, 9396741, 28190223]

約数ペア:

[(1, 28190223), (3, 9396741), (9, 3132247), (53, 531891), (113, 249471), (159, 177297), (339, 83157), (477, 59099), (523, 53901), (1017, 27719), (1569, 17967), (4707, 5989)]