28694127

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4007}}^1$

素因数の和:4059

約数の個数: 32

約数和(自身を含む): 49250304

約数和(自身を除く): 20556177

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 4007, 7161, 12021, 28049, 44077, 84147, 124217, 132231, 308539, 372651, 869519, 925617, 1366387, 2608557, 4099161, 9564709, 28694127]

約数ペア:

[(1, 28694127), (3, 9564709), (7, 4099161), (11, 2608557), (21, 1366387), (31, 925617), (33, 869519), (77, 372651), (93, 308539), (217, 132231), (231, 124217), (341, 84147), (651, 44077), (1023, 28049), (2387, 12021), (4007, 7161)]