42778443

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 64247040

約数和(自身を除く): 21468597

約数列:

[1, 3, 17, 19, 51, 57, 131, 323, 337, 393, 969, 1011, 2227, 2489, 5729, 6403, 6681, 7467, 17187, 19209, 42313, 44147, 108851, 126939, 132441, 326553, 750499, 838793, 2251497, 2516379, 14259481, 42778443]

約数ペア:

[(1, 42778443), (3, 14259481), (17, 2516379), (19, 2251497), (51, 838793), (57, 750499), (131, 326553), (323, 132441), (337, 126939), (393, 108851), (969, 44147), (1011, 42313), (2227, 19209), (2489, 17187), (5729, 7467), (6403, 6681)]