18084141

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:623

約数の個数: 40

約数和(自身を含む): 29899584

約数和(自身を除く): 11815443

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 391, 459, 571, 621, 1173, 1377, 1713, 1863, 3519, 5139, 9707, 10557, 13133, 15417, 29121, 31671, 39399, 46251, 87363, 118197, 223261, 262089, 354591, 669783, 786267, 1063773, 2009349, 6028047, 18084141]

約数ペア:

[(1, 18084141), (3, 6028047), (9, 2009349), (17, 1063773), (23, 786267), (27, 669783), (51, 354591), (69, 262089), (81, 223261), (153, 118197), (207, 87363), (391, 46251), (459, 39399), (571, 31671), (621, 29121), (1173, 15417), (1377, 13133), (1713, 10557), (1863, 9707), (3519, 5139)]