81423375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19739}}^1$

素因数の和:19768

約数の個数: 32

約数和(自身を含む): 147813120

約数和(自身を除く): 66389745

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 19739, 59217, 98695, 217129, 296085, 493475, 651387, 1085645, 1480425, 2467375, 3256935, 5428225, 7402125, 16284675, 27141125, 81423375]

約数ペア:

[(1, 81423375), (3, 27141125), (5, 16284675), (11, 7402125), (15, 5428225), (25, 3256935), (33, 2467375), (55, 1480425), (75, 1085645), (125, 651387), (165, 493475), (275, 296085), (375, 217129), (825, 98695), (1375, 59217), (4125, 19739)]