81689919

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1\times {\mathrm{877}}^1$

素因数の和:1450

約数の個数: 16

約数和(自身を含む): 111049440

約数和(自身を除く): 29359521

約数列:

[1, 3, 61, 183, 509, 877, 1527, 2631, 31049, 53497, 93147, 160491, 446393, 1339179, 27229973, 81689919]

約数ペア:

[(1, 81689919), (3, 27229973), (61, 1339179), (183, 446393), (509, 160491), (877, 93147), (1527, 53497), (2631, 31049)]