221909211

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1061}}^1\times {\mathrm{1367}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 339958944

約数和(自身を除く): 118049733

約数列:

[1, 3, 9, 17, 51, 153, 1061, 1367, 3183, 4101, 9549, 12303, 18037, 23239, 54111, 69717, 162333, 209151, 1450387, 4351161, 13053483, 24656579, 73969737, 221909211]

約数ペア:

[(1, 221909211), (3, 73969737), (9, 24656579), (17, 13053483), (51, 4351161), (153, 1450387), (1061, 209151), (1367, 162333), (3183, 69717), (4101, 54111), (9549, 23239), (12303, 18037)]