28274253

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{36389}}^1$

素因数の和:36436

約数の個数: 16

約数和(自身を含む): 44250240

約数和(自身を除く): 15975987

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 36389, 109167, 254723, 764169, 1346393, 4039179, 9424751, 28274253]

約数ペア:

[(1, 28274253), (3, 9424751), (7, 4039179), (21, 1346393), (37, 764169), (111, 254723), (259, 109167), (777, 36389)]