28380975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{54059}}^1$

素因数の和:54079

約数の個数: 24

約数和(自身を含む): 53627520

約数和(自身を除く): 25246545

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 54059, 162177, 270295, 378413, 810885, 1135239, 1351475, 1892065, 4054425, 5676195, 9460325, 28380975]

約数ペア:

[(1, 28380975), (3, 9460325), (5, 5676195), (7, 4054425), (15, 1892065), (21, 1351475), (25, 1135239), (35, 810885), (75, 378413), (105, 270295), (175, 162177), (525, 54059)]