27841821

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{69779}}^1$

素因数の和:69808

約数の個数: 16

約数和(自身を含む): 44659200

約数和(自身を除く): 16817379

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 69779, 209337, 488453, 1325801, 1465359, 3977403, 9280607, 27841821]

約数ペア:

[(1, 27841821), (3, 9280607), (7, 3977403), (19, 1465359), (21, 1325801), (57, 488453), (133, 209337), (399, 69779)]