28775493

素因数分解:

$3^4\times {\mathrm{563}}^1\times {\mathrm{631}}^1$

素因数の和:1206

約数の個数: 20

約数和(自身を含む): 43130208

約数和(自身を除く): 14354715

約数列:

[1, 3, 9, 27, 81, 563, 631, 1689, 1893, 5067, 5679, 15201, 17037, 45603, 51111, 355253, 1065759, 3197277, 9591831, 28775493]

約数ペア:

[(1, 28775493), (3, 9591831), (9, 3197277), (27, 1065759), (81, 355253), (563, 51111), (631, 45603), (1689, 17037), (1893, 15201), (5067, 5679)]