215261355

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{14251}}^1$

素因数の和:14331

約数の個数: 32

約数和(自身を含む): 369411840

約数和(自身を除く): 154150485

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 3021, 5035, 14251, 15105, 42753, 71255, 213765, 270769, 755303, 812307, 1353845, 2265909, 3776515, 4061535, 11329545, 14350757, 43052271, 71753785, 215261355]

約数ペア:

[(1, 215261355), (3, 71753785), (5, 43052271), (15, 14350757), (19, 11329545), (53, 4061535), (57, 3776515), (95, 2265909), (159, 1353845), (265, 812307), (285, 755303), (795, 270769), (1007, 213765), (3021, 71255), (5035, 42753), (14251, 15105)]