87305169

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 135675904

約数和(自身を除く): 48370735

約数列:

[1, 3, 7, 21, 103, 181, 223, 309, 543, 669, 721, 1267, 1561, 2163, 3801, 4683, 18643, 22969, 40363, 55929, 68907, 121089, 130501, 160783, 282541, 391503, 482349, 847623, 4157389, 12472167, 29101723, 87305169]

約数ペア:

[(1, 87305169), (3, 29101723), (7, 12472167), (21, 4157389), (103, 847623), (181, 482349), (223, 391503), (309, 282541), (543, 160783), (669, 130501), (721, 121089), (1267, 68907), (1561, 55929), (2163, 40363), (3801, 22969), (4683, 18643)]