28097559

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19391}}^1$

素因数の和:19427

約数の個数: 24

約数和(自身を含む): 48402432

約数和(自身を除く): 20304873

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19391, 58173, 135737, 174519, 407211, 445993, 1221633, 1337979, 3121951, 4013937, 9365853, 28097559]

約数ペア:

[(1, 28097559), (3, 9365853), (7, 4013937), (9, 3121951), (21, 1337979), (23, 1221633), (63, 445993), (69, 407211), (161, 174519), (207, 135737), (483, 58173), (1449, 19391)]