77921649

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{221999}}^1$

素因数の和:222021

約数の個数: 16

約数和(自身を含む): 124320000

約数和(自身を除く): 46398351

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 221999, 665997, 1997991, 2885987, 5993973, 8657961, 25973883, 77921649]

約数ペア:

[(1, 77921649), (3, 25973883), (9, 8657961), (13, 5993973), (27, 2885987), (39, 1997991), (117, 665997), (351, 221999)]