17005221

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{1409}}^1$

素因数の和:1570

約数の個数: 20

約数和(自身を含む): 25591500

約数和(自身を除く): 8586279

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 1409, 4023, 4227, 12069, 12681, 38043, 114129, 209941, 629823, 1889469, 5668407, 17005221]

約数ペア:

[(1, 17005221), (3, 5668407), (9, 1889469), (27, 629823), (81, 209941), (149, 114129), (447, 38043), (1341, 12681), (1409, 12069), (4023, 4227)]