4971381

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 6990720

約数和(自身を除く): 2019339

約数列:

[1, 3, 23, 69, 109, 327, 661, 1983, 2507, 7521, 15203, 45609, 72049, 216147, 1657127, 4971381]

約数ペア:

[(1, 4971381), (3, 1657127), (23, 216147), (69, 72049), (109, 45609), (327, 15203), (661, 7521), (1983, 2507)]