172972179

素因数分解:

$3^4\times {\mathrm{563}}^1\times {\mathrm{3793}}^1$

素因数の和:4368

約数の個数: 20

約数和(自身を含む): 258917736

約数和(自身を除く): 85945557

約数列:

[1, 3, 9, 27, 81, 563, 1689, 3793, 5067, 11379, 15201, 34137, 45603, 102411, 307233, 2135459, 6406377, 19219131, 57657393, 172972179]

約数ペア:

[(1, 172972179), (3, 57657393), (9, 19219131), (27, 6406377), (81, 2135459), (563, 307233), (1689, 102411), (3793, 45603), (5067, 34137), (11379, 15201)]