81840279

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{38261}}^1$

素因数の和:38318

約数の個数: 16

約数和(自身を含む): 117540864

約数和(自身を除く): 35700585

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 38261, 114783, 880003, 1186091, 2640009, 3558273, 27280093, 81840279]

約数ペア:

[(1, 81840279), (3, 27280093), (23, 3558273), (31, 2640009), (69, 1186091), (93, 880003), (713, 114783), (2139, 38261)]