81780354

素因数分解:

$2^1\times 3^4\times {\mathrm{504817}}^1$

素因数の和:504831

約数の個数: 20

約数和(自身を含む): 183248934

約数和(自身を除く): 101468580

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 504817, 1009634, 1514451, 3028902, 4543353, 9086706, 13630059, 27260118, 40890177, 81780354]

約数ペア:

[(1, 81780354), (2, 40890177), (3, 27260118), (6, 13630059), (9, 9086706), (18, 4543353), (27, 3028902), (54, 1514451), (81, 1009634), (162, 504817)]