71421597

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{46957}}^1$

素因数の和:46989

約数の個数: 18

約数和(自身を含む): 111713082

約数和(自身を除く): 40291485

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 46957, 140871, 422613, 610441, 1831323, 5493969, 7935733, 23807199, 71421597]

約数ペア:

[(1, 71421597), (3, 23807199), (9, 7935733), (13, 5493969), (39, 1831323), (117, 610441), (169, 422613), (507, 140871), (1521, 46957)]