28466487

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15581}}^1$

素因数の和:15623

約数の個数: 24

約数和(自身を含む): 48615840

約数和(自身を除く): 20149353

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 15581, 46743, 109067, 140229, 327201, 451849, 981603, 1355547, 3162943, 4066641, 9488829, 28466487]

約数ペア:

[(1, 28466487), (3, 9488829), (7, 4066641), (9, 3162943), (21, 1355547), (29, 981603), (63, 451849), (87, 327201), (203, 140229), (261, 109067), (609, 46743), (1827, 15581)]