39678849

素因数分解:

$3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1409}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 67680000

約数和(自身を除く): 28001151

約数列:

[1, 3, 7, 9, 21, 27, 63, 149, 189, 447, 1043, 1341, 1409, 3129, 4023, 4227, 9387, 9863, 12681, 28161, 29589, 38043, 88767, 209941, 266301, 629823, 1469587, 1889469, 4408761, 5668407, 13226283, 39678849]

約数ペア:

[(1, 39678849), (3, 13226283), (7, 5668407), (9, 4408761), (21, 1889469), (27, 1469587), (63, 629823), (149, 266301), (189, 209941), (447, 88767), (1043, 38043), (1341, 29589), (1409, 28161), (3129, 12681), (4023, 9863), (4227, 9387)]