87355989

素因数分解:

$3^4\times 7^1\times {\mathrm{154067}}^1$

素因数の和:154086

約数の個数: 20

約数和(自身を含む): 149137824

約数和(自身を除く): 61781835

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 154067, 462201, 1078469, 1386603, 3235407, 4159809, 9706221, 12479427, 29118663, 87355989]

約数ペア:

[(1, 87355989), (3, 29118663), (7, 12479427), (9, 9706221), (21, 4159809), (27, 3235407), (63, 1386603), (81, 1078469), (189, 462201), (567, 154067)]