216117

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:113

約数の個数: 24

約数和(自身を含む): 355680

約数和(自身を除く): 139563

約数列:

[1, 3, 9, 11, 33, 37, 59, 99, 111, 177, 333, 407, 531, 649, 1221, 1947, 2183, 3663, 5841, 6549, 19647, 24013, 72039, 216117]

約数ペア:

[(1, 216117), (3, 72039), (9, 24013), (11, 19647), (33, 6549), (37, 5841), (59, 3663), (99, 2183), (111, 1947), (177, 1221), (333, 649), (407, 531)]