1281885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 2374272

約数和(自身を除く): 1092387

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 457, 561, 935, 1371, 2285, 2805, 5027, 6855, 7769, 15081, 23307, 25135, 38845, 75405, 85459, 116535, 256377, 427295, 1281885]

約数ペア:

[(1, 1281885), (3, 427295), (5, 256377), (11, 116535), (15, 85459), (17, 75405), (33, 38845), (51, 25135), (55, 23307), (85, 15081), (165, 7769), (187, 6855), (255, 5027), (457, 2805), (561, 2285), (935, 1371)]