634581

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1265

約数の個数: 16

約数和(自身を含む): 990400

約数和(自身を除く): 355819

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 1237, 3711, 11133, 23503, 33399, 70509, 211527, 634581]

約数ペア:

[(1, 634581), (3, 211527), (9, 70509), (19, 33399), (27, 23503), (57, 11133), (171, 3711), (513, 1237)]