393361377

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{64879}}^1$

素因数の和:64972

約数の個数: 16

約数和(自身を含む): 548106240

約数和(自身を除く): 154744863

約数列:

[1, 3, 43, 47, 129, 141, 2021, 6063, 64879, 194637, 2789797, 3049313, 8369391, 9147939, 131120459, 393361377]

約数ペア:

[(1, 393361377), (3, 131120459), (43, 9147939), (47, 8369391), (129, 3049313), (141, 2789797), (2021, 194637), (6063, 64879)]