28545783

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{8443}}^1$

素因数の和:8483

約数の個数: 24

約数和(自身を含む): 46205568

約数和(自身を除く): 17659785

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 8443, 25329, 59101, 177303, 194189, 413707, 582567, 1241121, 1359323, 4077969, 9515261, 28545783]

約数ペア:

[(1, 28545783), (3, 9515261), (7, 4077969), (21, 1359323), (23, 1241121), (49, 582567), (69, 413707), (147, 194189), (161, 177303), (483, 59101), (1127, 25329), (3381, 8443)]