248913

素因数分解:

$3^4\times 7^1\times {\mathrm{439}}^1$

素因数の和:458

約数の個数: 20

約数和(自身を含む): 425920

約数和(自身を除く): 177007

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 439, 567, 1317, 3073, 3951, 9219, 11853, 27657, 35559, 82971, 248913]

約数ペア:

[(1, 248913), (3, 82971), (7, 35559), (9, 27657), (21, 11853), (27, 9219), (63, 3951), (81, 3073), (189, 1317), (439, 567)]