40971609

素因数分解:

$3^3\times 7^1\times {\mathrm{216781}}^1$

素因数の和:216797

約数の個数: 16

約数和(自身を含む): 69370240

約数和(自身を除く): 28398631

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 216781, 650343, 1517467, 1951029, 4552401, 5853087, 13657203, 40971609]

約数ペア:

[(1, 40971609), (3, 13657203), (7, 5853087), (9, 4552401), (21, 1951029), (27, 1517467), (63, 650343), (189, 216781)]