81565107

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{90931}}^1$

素因数の和:90970

約数の個数: 16

約数和(自身を含む): 122212608

約数和(自身を除く): 40647501

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 90931, 272793, 1182103, 2091413, 3546309, 6274239, 27188369, 81565107]

約数ペア:

[(1, 81565107), (3, 27188369), (13, 6274239), (23, 3546309), (39, 2091413), (69, 1182103), (299, 272793), (897, 90931)]