420187203

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{1381}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 636825600

約数和(自身を除く): 216638397

約数列:

[1, 3, 9, 27, 59, 177, 191, 531, 573, 1381, 1593, 1719, 4143, 5157, 11269, 12429, 33807, 37287, 81479, 101421, 244437, 263771, 304263, 733311, 791313, 2199933, 2373939, 7121817, 15562489, 46687467, 140062401, 420187203]

約数ペア:

[(1, 420187203), (3, 140062401), (9, 46687467), (27, 15562489), (59, 7121817), (177, 2373939), (191, 2199933), (531, 791313), (573, 733311), (1381, 304263), (1593, 263771), (1719, 244437), (4143, 101421), (5157, 81479), (11269, 37287), (12429, 33807)]