156955239

素因数分解:

$3^4\times 7^1\times {\mathrm{276817}}^1$

素因数の和:276836

約数の個数: 20

約数和(自身を含む): 267959824

約数和(自身を除く): 111004585

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 276817, 830451, 1937719, 2491353, 5813157, 7474059, 17439471, 22422177, 52318413, 156955239]

約数ペア:

[(1, 156955239), (3, 52318413), (7, 22422177), (9, 17439471), (21, 7474059), (27, 5813157), (63, 2491353), (81, 1937719), (189, 830451), (567, 276817)]