81404865

素因数分解:

$3^3\times 5^1\times {\mathrm{602999}}^1$

素因数の和:603013

約数の個数: 16

約数和(自身を含む): 144720000

約数和(自身を除く): 63315135

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 602999, 1808997, 3014995, 5426991, 9044985, 16280973, 27134955, 81404865]

約数ペア:

[(1, 81404865), (3, 27134955), (5, 16280973), (9, 9044985), (15, 5426991), (27, 3014995), (45, 1808997), (135, 602999)]