28210329

素因数分解:

$3^3\times 7^2\times {\mathrm{21323}}^1$

素因数の和:21346

約数の個数: 24

約数和(自身を含む): 48618720

約数和(自身を除く): 20408391

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21323, 63969, 149261, 191907, 447783, 575721, 1044827, 1343349, 3134481, 4030047, 9403443, 28210329]

約数ペア:

[(1, 28210329), (3, 9403443), (7, 4030047), (9, 3134481), (21, 1343349), (27, 1044827), (49, 575721), (63, 447783), (147, 191907), (189, 149261), (441, 63969), (1323, 21323)]