201719781

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{111509}}^1$

素因数の和:111585

約数の個数: 16

約数和(自身を含む): 303307200

約数和(自身を除く): 101587419

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 111509, 334527, 1003581, 3010743, 7471103, 22413309, 67239927, 201719781]

約数ペア:

[(1, 201719781), (3, 67239927), (9, 22413309), (27, 7471103), (67, 3010743), (201, 1003581), (603, 334527), (1809, 111509)]