71181789

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 111959040

約数和(自身を除く): 40777251

約数列:

[1, 3, 7, 21, 59, 73, 177, 219, 413, 511, 787, 1239, 1533, 2361, 4307, 5509, 12921, 16527, 30149, 46433, 57451, 90447, 139299, 172353, 325031, 402157, 975093, 1206471, 3389609, 10168827, 23727263, 71181789]

約数ペア:

[(1, 71181789), (3, 23727263), (7, 10168827), (21, 3389609), (59, 1206471), (73, 975093), (177, 402157), (219, 325031), (413, 172353), (511, 139299), (787, 90447), (1239, 57451), (1533, 46433), (2361, 30149), (4307, 16527), (5509, 12921)]