16777521

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2069}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 26156520

約数和(自身を除く): 9378999

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2069, 2703, 6207, 8109, 18621, 35173, 105519, 109657, 316557, 328971, 986913, 1864169, 5592507, 16777521]

約数ペア:

[(1, 16777521), (3, 5592507), (9, 1864169), (17, 986913), (51, 328971), (53, 316557), (153, 109657), (159, 105519), (477, 35173), (901, 18621), (2069, 8109), (2703, 6207)]