289245789

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{25939}}^1$

素因数の和:26014

約数の個数: 32

約数和(自身を含む): 498048000

約数和(自身を除く): 208802211

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 177, 189, 413, 531, 1239, 1593, 3717, 11151, 25939, 77817, 181573, 233451, 544719, 700353, 1530401, 1634157, 4591203, 4902471, 10712807, 13773609, 32138421, 41320827, 96415263, 289245789]

約数ペア:

[(1, 289245789), (3, 96415263), (7, 41320827), (9, 32138421), (21, 13773609), (27, 10712807), (59, 4902471), (63, 4591203), (177, 1634157), (189, 1530401), (413, 700353), (531, 544719), (1239, 233451), (1593, 181573), (3717, 77817), (11151, 25939)]