28338915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10103}}^1$

素因数の和:10139

約数の個数: 32

約数和(自身を含む): 52379136

約数和(自身を除く): 24040221

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 10103, 30309, 50515, 111133, 151545, 171751, 333399, 515253, 555665, 858755, 1666995, 1889261, 2576265, 5667783, 9446305, 28338915]

約数ペア:

[(1, 28338915), (3, 9446305), (5, 5667783), (11, 2576265), (15, 1889261), (17, 1666995), (33, 858755), (51, 555665), (55, 515253), (85, 333399), (165, 171751), (187, 151545), (255, 111133), (561, 50515), (935, 30309), (2805, 10103)]