81065649

素因数分解:

$3^1\times 7^3\times {\mathrm{78781}}^1$

素因数の和:78805

約数の個数: 16

約数和(自身を含む): 126051200

約数和(自身を除く): 44985551

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 78781, 236343, 551467, 1654401, 3860269, 11580807, 27021883, 81065649]

約数ペア:

[(1, 81065649), (3, 27021883), (7, 11580807), (21, 3860269), (49, 1654401), (147, 551467), (343, 236343), (1029, 78781)]