28677987

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10657}}^1$

素因数の和:10699

約数の個数: 24

約数和(自身を含む): 46554144

約数和(自身を除く): 17876157

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 10657, 31971, 95913, 138541, 245111, 415623, 735333, 1246869, 2205999, 3186443, 9559329, 28677987]

約数ペア:

[(1, 28677987), (3, 9559329), (9, 3186443), (13, 2205999), (23, 1246869), (39, 735333), (69, 415623), (117, 245111), (207, 138541), (299, 95913), (897, 31971), (2691, 10657)]