289449774

素因数分解:

$2^1\times 3^4\times {\mathrm{1786727}}^1$

素因数の和:1786741

約数の個数: 20

約数和(自身を含む): 648582264

約数和(自身を除く): 359132490

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1786727, 3573454, 5360181, 10720362, 16080543, 32161086, 48241629, 96483258, 144724887, 289449774]

約数ペア:

[(1, 289449774), (2, 144724887), (3, 96483258), (6, 48241629), (9, 32161086), (18, 16080543), (27, 10720362), (54, 5360181), (81, 3573454), (162, 1786727)]