28704333

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{7901}}^1$

素因数の和:8084

約数の個数: 16

約数和(自身を含む): 43998336

約数和(自身を除く): 15294003

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 7901, 23703, 55307, 165921, 1366873, 4100619, 9568111, 28704333]

約数ペア:

[(1, 28704333), (3, 9568111), (7, 4100619), (21, 1366873), (173, 165921), (519, 55307), (1211, 23703), (3633, 7901)]