81041935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 111121920

約数和(自身を除く): 30079985

約数列:

[1, 5, 13, 19, 65, 95, 211, 247, 311, 1055, 1235, 1555, 2743, 4009, 4043, 5909, 13715, 20045, 20215, 29545, 52117, 65621, 76817, 260585, 328105, 384085, 853073, 1246799, 4265365, 6233995, 16208387, 81041935]

約数ペア:

[(1, 81041935), (5, 16208387), (13, 6233995), (19, 4265365), (65, 1246799), (95, 853073), (211, 384085), (247, 328105), (311, 260585), (1055, 76817), (1235, 65621), (1555, 52117), (2743, 29545), (4009, 20215), (4043, 20045), (5909, 13715)]