28161765

素因数分解:

$3^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1031}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 48941568

約数和(自身を除く): 20779803

約数列:

[1, 3, 5, 9, 15, 45, 607, 1031, 1821, 3035, 3093, 5155, 5463, 9105, 9279, 15465, 27315, 46395, 625817, 1877451, 3129085, 5632353, 9387255, 28161765]

約数ペア:

[(1, 28161765), (3, 9387255), (5, 5632353), (9, 3129085), (15, 1877451), (45, 625817), (607, 46395), (1031, 27315), (1821, 15465), (3035, 9279), (3093, 9105), (5155, 5463)]