81291249

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{231599}}^1$

素因数の和:231621

約数の個数: 16

約数和(自身を含む): 129696000

約数和(自身を除く): 48404751

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 231599, 694797, 2084391, 3010787, 6253173, 9032361, 27097083, 81291249]

約数ペア:

[(1, 81291249), (3, 27097083), (9, 9032361), (13, 6253173), (27, 3010787), (39, 2084391), (117, 694797), (351, 231599)]