28242207

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7349}}^1$

素因数の和:7423

約数の個数: 24

約数和(自身を含む): 47392800

約数和(自身を除く): 19150593

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 7349, 22047, 51443, 66141, 154329, 448289, 462987, 1344867, 3138023, 4034601, 9414069, 28242207]

約数ペア:

[(1, 28242207), (3, 9414069), (7, 4034601), (9, 3138023), (21, 1344867), (61, 462987), (63, 448289), (183, 154329), (427, 66141), (549, 51443), (1281, 22047), (3843, 7349)]