1280265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 2384640

約数和(自身を除く): 1104375

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 137, 267, 411, 445, 623, 685, 959, 1335, 1869, 2055, 2877, 3115, 4795, 9345, 12193, 14385, 36579, 60965, 85351, 182895, 256053, 426755, 1280265]

約数ペア:

[(1, 1280265), (3, 426755), (5, 256053), (7, 182895), (15, 85351), (21, 60965), (35, 36579), (89, 14385), (105, 12193), (137, 9345), (267, 4795), (411, 3115), (445, 2877), (623, 2055), (685, 1869), (959, 1335)]