28620477

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2069}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 43594200

約数和(自身を除く): 14973723

約数列:

[1, 3, 9, 29, 53, 87, 159, 261, 477, 1537, 2069, 4611, 6207, 13833, 18621, 60001, 109657, 180003, 328971, 540009, 986913, 3180053, 9540159, 28620477]

約数ペア:

[(1, 28620477), (3, 9540159), (9, 3180053), (29, 986913), (53, 540009), (87, 328971), (159, 180003), (261, 109657), (477, 60001), (1537, 18621), (2069, 13833), (4611, 6207)]