81047985

素因数分解:

$3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{28289}}^1$

素因数の和:28488

約数の個数: 16

約数和(自身を含む): 130360320

約数和(自身を除く): 49312335

約数列:

[1, 3, 5, 15, 191, 573, 955, 2865, 28289, 84867, 141445, 424335, 5403199, 16209597, 27015995, 81047985]

約数ペア:

[(1, 81047985), (3, 27015995), (5, 16209597), (15, 5403199), (191, 424335), (573, 141445), (955, 84867), (2865, 28289)]