15780441

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:1016

約数の個数: 16

約数和(自身を含む): 21700800

約数和(自身を除く): 5920359

約数列:

[1, 3, 43, 129, 149, 447, 821, 2463, 6407, 19221, 35303, 105909, 122329, 366987, 5260147, 15780441]

約数ペア:

[(1, 15780441), (3, 5260147), (43, 366987), (129, 122329), (149, 105909), (447, 35303), (821, 19221), (2463, 6407)]