28386345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8563}}^1$

素因数の和:8601

約数の個数: 32

約数和(自身を含む): 51795072

約数和(自身を除く): 23408727

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 8563, 25689, 42815, 111319, 128445, 145571, 333957, 436713, 556595, 727855, 1669785, 1892423, 2183565, 5677269, 9462115, 28386345]

約数ペア:

[(1, 28386345), (3, 9462115), (5, 5677269), (13, 2183565), (15, 1892423), (17, 1669785), (39, 727855), (51, 556595), (65, 436713), (85, 333957), (195, 145571), (221, 128445), (255, 111319), (663, 42815), (1105, 25689), (3315, 8563)]