40180641

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 54411264

約数和(自身を除く): 14230623

約数列:

[1, 3, 127, 163, 381, 489, 647, 1941, 20701, 62103, 82169, 105461, 246507, 316383, 13393547, 40180641]

約数ペア:

[(1, 40180641), (3, 13393547), (127, 316383), (163, 246507), (381, 105461), (489, 82169), (647, 62103), (1941, 20701)]