289320218205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8237}}^1\times {\mathrm{137743}}^1$

素因数の和:146005

約数の個数: 32

約数和(自身を含む): 490205551104

約数和(自身を除く): 200885332899

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 8237, 24711, 41185, 123555, 137743, 140029, 413229, 420087, 688715, 700145, 2066145, 2100435, 2341631, 7024893, 11708155, 35124465, 1134589091, 3403767273, 5672945455, 17018836365, 19288014547, 57864043641, 96440072735, 289320218205]

約数ペア:

[(1, 289320218205), (3, 96440072735), (5, 57864043641), (15, 19288014547), (17, 17018836365), (51, 5672945455), (85, 3403767273), (255, 1134589091), (8237, 35124465), (24711, 11708155), (41185, 7024893), (123555, 2341631), (137743, 2100435), (140029, 2066145), (413229, 700145), (420087, 688715)]