7280847

素因数分解:

$3^4\times 7^1\times {\mathrm{12841}}^1$

素因数の和:12860

約数の個数: 20

約数和(自身を含む): 12431056

約数和(自身を除く): 5150209

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 12841, 38523, 89887, 115569, 269661, 346707, 808983, 1040121, 2426949, 7280847]

約数ペア:

[(1, 7280847), (3, 2426949), (7, 1040121), (9, 808983), (21, 346707), (27, 269661), (63, 115569), (81, 89887), (189, 38523), (567, 12841)]