81197478

素因数分解:

$2^1\times 3^6\times {\mathrm{55691}}^1$

素因数の和:55711

約数の個数: 28

約数和(自身を含む): 182614068

約数和(自身を除く): 101416590

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 55691, 111382, 167073, 334146, 501219, 1002438, 1503657, 3007314, 4510971, 9021942, 13532913, 27065826, 40598739, 81197478]

約数ペア:

[(1, 81197478), (2, 40598739), (3, 27065826), (6, 13532913), (9, 9021942), (18, 4510971), (27, 3007314), (54, 1503657), (81, 1002438), (162, 501219), (243, 334146), (486, 167073), (729, 111382), (1458, 55691)]