81402108

素因数分解:

$2^2\times 3^1\times {\mathrm{431}}^1\times {\mathrm{15739}}^1$

素因数の和:16177

約数の個数: 24

約数和(自身を含む): 190391040

約数和(自身を除く): 108988932

約数列:

[1, 2, 3, 4, 6, 12, 431, 862, 1293, 1724, 2586, 5172, 15739, 31478, 47217, 62956, 94434, 188868, 6783509, 13567018, 20350527, 27134036, 40701054, 81402108]

約数ペア:

[(1, 81402108), (2, 40701054), (3, 27134036), (4, 20350527), (6, 13567018), (12, 6783509), (431, 188868), (862, 94434), (1293, 62956), (1724, 47217), (2586, 31478), (5172, 15739)]