28411299

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7393}}^1$

素因数の和:7467

約数の個数: 24

約数和(自身を含む): 47676512

約数和(自身を除く): 19265213

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 7393, 22179, 51751, 66537, 155253, 450973, 465759, 1352919, 3156811, 4058757, 9470433, 28411299]

約数ペア:

[(1, 28411299), (3, 9470433), (7, 4058757), (9, 3156811), (21, 1352919), (61, 465759), (63, 450973), (183, 155253), (427, 66537), (549, 51751), (1281, 22179), (3843, 7393)]