263991

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{967}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 433664

約数和(自身を除く): 169673

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 967, 2901, 6769, 12571, 20307, 37713, 87997, 263991]

約数ペア:

[(1, 263991), (3, 87997), (7, 37713), (13, 20307), (21, 12571), (39, 6769), (91, 2901), (273, 967)]