28297017

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14489}}^1$

素因数の和:14533

約数の個数: 24

約数和(自身を含む): 48222720

約数和(自身を除く): 19925703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 14489, 43467, 101423, 130401, 304269, 449159, 912807, 1347477, 3144113, 4042431, 9432339, 28297017]

約数ペア:

[(1, 28297017), (3, 9432339), (7, 4042431), (9, 3144113), (21, 1347477), (31, 912807), (63, 449159), (93, 304269), (217, 130401), (279, 101423), (651, 43467), (1953, 14489)]