28720173

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{887}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 39384576

約数和(自身を除く): 10664403

約数列:

[1, 3, 43, 129, 251, 753, 887, 2661, 10793, 32379, 38141, 114423, 222637, 667911, 9573391, 28720173]

約数ペア:

[(1, 28720173), (3, 9573391), (43, 667911), (129, 222637), (251, 114423), (753, 38141), (887, 32379), (2661, 10793)]