71810253

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{139981}}^1$

素因数の和:140009

約数の個数: 16

約数和(自身を含む): 111985600

約数和(自身を除く): 40175347

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 139981, 419943, 1259829, 2659639, 3779487, 7978917, 23936751, 71810253]

約数ペア:

[(1, 71810253), (3, 23936751), (9, 7978917), (19, 3779487), (27, 2659639), (57, 1259829), (171, 419943), (513, 139981)]