81780918

素因数分解:

$2^1\times 3^1\times {\mathrm{359}}^1\times {\mathrm{37967}}^1$

素因数の和:38331

約数の個数: 16

約数和(自身を含む): 164021760

約数和(自身を除く): 82240842

約数列:

[1, 2, 3, 6, 359, 718, 1077, 2154, 37967, 75934, 113901, 227802, 13630153, 27260306, 40890459, 81780918]

約数ペア:

[(1, 81780918), (2, 40890459), (3, 27260306), (6, 13630153), (359, 227802), (718, 113901), (1077, 75934), (2154, 37967)]