240089913

素因数分解:

$3^4\times 7^1\times {\mathrm{423439}}^1$

素因数の和:423458

約数の個数: 20

約数和(自身を含む): 409889920

約数和(自身を除く): 169800007

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 423439, 1270317, 2964073, 3810951, 8892219, 11432853, 26676657, 34298559, 80029971, 240089913]

約数ペア:

[(1, 240089913), (3, 80029971), (7, 34298559), (9, 26676657), (21, 11432853), (27, 8892219), (63, 3810951), (81, 2964073), (189, 1270317), (567, 423439)]