64437201

素因数分解:

$3^4\times {\mathrm{379}}^1\times {\mathrm{2099}}^1$

素因数の和:2490

約数の個数: 20

約数和(自身を含む): 96558000

約数和(自身を除く): 32120799

約数列:

[1, 3, 9, 27, 81, 379, 1137, 2099, 3411, 6297, 10233, 18891, 30699, 56673, 170019, 795521, 2386563, 7159689, 21479067, 64437201]

約数ペア:

[(1, 64437201), (3, 21479067), (9, 7159689), (27, 2386563), (81, 795521), (379, 170019), (1137, 56673), (2099, 30699), (3411, 18891), (6297, 10233)]