28351065

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2221}}^1$

素因数の和:2289

約数の個数: 32

約数和(自身を含む): 48635136

約数和(自身を除く): 20284071

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2221, 2553, 4255, 6663, 11105, 12765, 33315, 51083, 82177, 153249, 246531, 255415, 410885, 766245, 1232655, 1890071, 5670213, 9450355, 28351065]

約数ペア:

[(1, 28351065), (3, 9450355), (5, 5670213), (15, 1890071), (23, 1232655), (37, 766245), (69, 410885), (111, 255415), (115, 246531), (185, 153249), (345, 82177), (555, 51083), (851, 33315), (2221, 12765), (2553, 11105), (4255, 6663)]