1992321

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 3095040

約数和(自身を除く): 1102719

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 191, 549, 573, 1159, 1719, 3477, 3629, 10431, 10887, 11651, 32661, 34953, 104859, 221369, 664107, 1992321]

約数ペア:

[(1, 1992321), (3, 664107), (9, 221369), (19, 104859), (57, 34953), (61, 32661), (171, 11651), (183, 10887), (191, 10431), (549, 3629), (573, 3477), (1159, 1719)]