66986973

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{16651}}^1$

素因数の和:16809

約数の個数: 16

約数和(自身を含む): 99912000

約数和(自身を除く): 32925027

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 16651, 49953, 149859, 449577, 2480999, 7442997, 22328991, 66986973]

約数ペア:

[(1, 66986973), (3, 22328991), (9, 7442997), (27, 2480999), (149, 449577), (447, 149859), (1341, 49953), (4023, 16651)]