85321989

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{26261}}^1$

素因数の和:26305

約数の個数: 18

約数和(自身を含む): 130075686

約数和(自身を除く): 44753697

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 26261, 78783, 236349, 498959, 1496877, 4490631, 9480221, 28440663, 85321989]

約数ペア:

[(1, 85321989), (3, 28440663), (9, 9480221), (19, 4490631), (57, 1496877), (171, 498959), (361, 236349), (1083, 78783), (3249, 26261)]