81054415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{54217}}^1$

素因数の和:54258

約数の個数: 16

約数和(自身を含む): 109303488

約数和(自身を除く): 28249073

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 54217, 271085, 704821, 1246991, 3524105, 6234955, 16210883, 81054415]

約数ペア:

[(1, 81054415), (5, 16210883), (13, 6234955), (23, 3524105), (65, 1246991), (115, 704821), (299, 271085), (1495, 54217)]