201978873

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{393721}}^1$

素因数の和:393749

約数の個数: 16

約数和(自身を含む): 314977600

約数和(自身を除く): 112998727

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 393721, 1181163, 3543489, 7480699, 10630467, 22442097, 67326291, 201978873]

約数ペア:

[(1, 201978873), (3, 67326291), (9, 22442097), (19, 10630467), (27, 7480699), (57, 3543489), (171, 1181163), (513, 393721)]