81353209

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2112

約数の個数: 16

約数和(自身を含む): 95472000

約数和(自身を除く): 14118791

約数列:

[1, 7, 67, 89, 469, 623, 1949, 5963, 13643, 41741, 130583, 173461, 914081, 1214227, 11621887, 81353209]

約数ペア:

[(1, 81353209), (7, 11621887), (67, 1214227), (89, 914081), (469, 173461), (623, 130583), (1949, 41741), (5963, 13643)]