78904497

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{221021}}^1$

素因数の和:221048

約数の個数: 16

約数和(自身を含む): 127308672

約数和(自身を除く): 48404175

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 221021, 663063, 1547147, 3757357, 4641441, 11272071, 26301499, 78904497]

約数ペア:

[(1, 78904497), (3, 26301499), (7, 11272071), (17, 4641441), (21, 3757357), (51, 1547147), (119, 663063), (357, 221021)]