29278263

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20809}}^1$

素因数の和:20886

約数の個数: 16

約数和(自身を含む): 45282560

約数和(自身を除く): 16004297

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 20809, 62427, 145663, 436989, 1394203, 4182609, 9759421, 29278263]

約数ペア:

[(1, 29278263), (3, 9759421), (7, 4182609), (21, 1394203), (67, 436989), (201, 145663), (469, 62427), (1407, 20809)]