2190153

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 3480192

約数和(自身を除く): 1290039

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 317, 329, 951, 987, 2219, 2303, 6657, 6909, 14899, 15533, 44697, 46599, 104293, 312879, 730051, 2190153]

約数ペア:

[(1, 2190153), (3, 730051), (7, 312879), (21, 104293), (47, 46599), (49, 44697), (141, 15533), (147, 14899), (317, 6909), (329, 6657), (951, 2303), (987, 2219)]