218706291

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{120899}}^1$

素因数の和:120975

約数の個数: 16

約数和(自身を含む): 328848000

約数和(自身を除く): 110141709

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 120899, 362697, 1088091, 3264273, 8100233, 24300699, 72902097, 218706291]

約数ペア:

[(1, 218706291), (3, 72902097), (9, 24300699), (27, 8100233), (67, 3264273), (201, 1088091), (603, 362697), (1809, 120899)]