218219427

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{141793}}^1$

素因数の和:141824

約数の個数: 20

約数和(自身を含む): 343141480

約数和(自身を除く): 124922053

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 141793, 425379, 1276137, 2694067, 3828411, 8082201, 11485233, 24246603, 72739809, 218219427]

約数ペア:

[(1, 218219427), (3, 72739809), (9, 24246603), (19, 11485233), (27, 8082201), (57, 3828411), (81, 2694067), (171, 1276137), (513, 425379), (1539, 141793)]