280858479

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{683}}^1\times {\mathrm{733}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 433776384

約数和(自身を除く): 152917905

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 683, 733, 2049, 2199, 7513, 8063, 11611, 12461, 22539, 24189, 34833, 37383, 127721, 137071, 383163, 411213, 500639, 1501917, 5507029, 8510863, 16521087, 25532589, 93619493, 280858479]

約数ペア:

[(1, 280858479), (3, 93619493), (11, 25532589), (17, 16521087), (33, 8510863), (51, 5507029), (187, 1501917), (561, 500639), (683, 411213), (733, 383163), (2049, 137071), (2199, 127721), (7513, 37383), (8063, 34833), (11611, 24189), (12461, 22539)]