28192143

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70657}}^1$

素因数の和:70686

約数の個数: 16

約数和(自身を含む): 45221120

約数和(自身を除く): 17028977

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 70657, 211971, 494599, 1342483, 1483797, 4027449, 9397381, 28192143]

約数ペア:

[(1, 28192143), (3, 9397381), (7, 4027449), (19, 1483797), (21, 1342483), (57, 494599), (133, 211971), (399, 70657)]