16719777

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{1367}}^1$

素因数の和:1530

約数の個数: 20

約数和(自身を含む): 25160256

約数和(自身を除く): 8440479

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 1367, 4077, 4101, 12231, 12303, 36909, 110727, 206417, 619251, 1857753, 5573259, 16719777]

約数ペア:

[(1, 16719777), (3, 5573259), (9, 1857753), (27, 619251), (81, 206417), (151, 110727), (453, 36909), (1359, 12303), (1367, 12231), (4077, 4101)]