28587153

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71647}}^1$

素因数の和:71676

約数の個数: 16

約数和(自身を含む): 45854720

約数和(自身を除く): 17267567

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 71647, 214941, 501529, 1361293, 1504587, 4083879, 9529051, 28587153]

約数ペア:

[(1, 28587153), (3, 9529051), (7, 4083879), (19, 1504587), (21, 1361293), (57, 501529), (133, 214941), (399, 71647)]