28808883

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{8867}}^1$

素因数の和:8911

約数の個数: 18

約数和(自身を含む): 43923204

約数和(自身を除く): 15114321

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 8867, 26601, 79803, 168473, 505419, 1516257, 3200987, 9602961, 28808883]

約数ペア:

[(1, 28808883), (3, 9602961), (9, 3200987), (19, 1516257), (57, 505419), (171, 168473), (361, 79803), (1083, 26601), (3249, 8867)]