28283913

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23629}}^1$

素因数の和:23661

約数の個数: 24

約数和(自身を含む): 49150400

約数和(自身を除く): 20866487

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 23629, 70887, 165403, 212661, 448951, 496209, 1346853, 1488627, 3142657, 4040559, 9427971, 28283913]

約数ペア:

[(1, 28283913), (3, 9427971), (7, 4040559), (9, 3142657), (19, 1488627), (21, 1346853), (57, 496209), (63, 448951), (133, 212661), (171, 165403), (399, 70887), (1197, 23629)]