289781475

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{72901}}^1$

素因数の和:72967

約数の個数: 24

約数和(自身を含む): 488151792

約数和(自身を除く): 198370317

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 72901, 218703, 364505, 1093515, 1822525, 3863753, 5467575, 11591259, 19318765, 57956295, 96593825, 289781475]

約数ペア:

[(1, 289781475), (3, 96593825), (5, 57956295), (15, 19318765), (25, 11591259), (53, 5467575), (75, 3863753), (159, 1822525), (265, 1093515), (795, 364505), (1325, 218703), (3975, 72901)]