28533897

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3511}}^1$

素因数の和:3570

約数の個数: 32

約数和(自身を含む): 49448960

約数和(自身を除く): 20915063

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 3511, 8127, 10533, 24577, 31599, 73731, 94797, 150973, 221193, 452919, 663579, 1056811, 1358757, 3170433, 4076271, 9511299, 28533897]

約数ペア:

[(1, 28533897), (3, 9511299), (7, 4076271), (9, 3170433), (21, 1358757), (27, 1056811), (43, 663579), (63, 452919), (129, 221193), (189, 150973), (301, 94797), (387, 73731), (903, 31599), (1161, 24577), (2709, 10533), (3511, 8127)]