15304121

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 18615744

約数和(自身を除く): 3311623

約数列:

[1, 7, 49, 53, 71, 83, 371, 497, 581, 2597, 3479, 3763, 4067, 4399, 5893, 26341, 30793, 41251, 184387, 215551, 288757, 312329, 2186303, 15304121]

約数ペア:

[(1, 15304121), (7, 2186303), (49, 312329), (53, 288757), (71, 215551), (83, 184387), (371, 41251), (497, 30793), (581, 26341), (2597, 5893), (3479, 4399), (3763, 4067)]