216916569

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{46439}}^1$

素因数の和:46621

約数の個数: 16

約数和(自身を含む): 323222400

約数和(自身を除く): 106305831

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4671, 46439, 139317, 417951, 1253853, 8033947, 24101841, 72305523, 216916569]

約数ペア:

[(1, 216916569), (3, 72305523), (9, 24101841), (27, 8033947), (173, 1253853), (519, 417951), (1557, 139317), (4671, 46439)]