20161851723

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57441173}}^1$

素因数の和:57441195

約数の個数: 16

約数和(自身を含む): 32167057440

約数和(自身を除く): 12005205717

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57441173, 172323519, 516970557, 746735249, 1550911671, 2240205747, 6720617241, 20161851723]

約数ペア:

[(1, 20161851723), (3, 6720617241), (9, 2240205747), (13, 1550911671), (27, 746735249), (39, 516970557), (117, 172323519), (351, 57441173)]