30778587

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8009}}^1$

素因数の和:8083

約数の個数: 24

約数和(自身を含む): 51648480

約数和(自身を除く): 20869893

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 8009, 24027, 56063, 72081, 168189, 488549, 504567, 1465647, 3419843, 4396941, 10259529, 30778587]

約数ペア:

[(1, 30778587), (3, 10259529), (7, 4396941), (9, 3419843), (21, 1465647), (61, 504567), (63, 488549), (183, 168189), (427, 72081), (549, 56063), (1281, 24027), (3843, 8009)]