28786569

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6317}}^1$

素因数の和:6365

約数の個数: 24

約数和(自身を含む): 46096128

約数和(自身を除く): 17309559

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 6317, 18951, 44219, 132657, 195827, 309533, 587481, 928599, 1370789, 4112367, 9595523, 28786569]

約数ペア:

[(1, 28786569), (3, 9595523), (7, 4112367), (21, 1370789), (31, 928599), (49, 587481), (93, 309533), (147, 195827), (217, 132657), (651, 44219), (1519, 18951), (4557, 6317)]