285440211

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{238463}}^1$

素因数の和:238495

約数の個数: 24

約数和(自身を含む): 496005120

約数和(自身を除く): 210564909

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 238463, 715389, 1669241, 2146167, 4530797, 5007723, 13592391, 15023169, 31715579, 40777173, 95146737, 285440211]

約数ペア:

[(1, 285440211), (3, 95146737), (7, 40777173), (9, 31715579), (19, 15023169), (21, 13592391), (57, 5007723), (63, 4530797), (133, 2146167), (171, 1669241), (399, 715389), (1197, 238463)]