74979261

素因数分解:

$3^2\times 7^2\times {\mathrm{170021}}^1$

素因数の和:170041

約数の個数: 18

約数和(自身を含む): 125986302

約数和(自身を除く): 51007041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 170021, 510063, 1190147, 1530189, 3570441, 8331029, 10711323, 24993087, 74979261]

約数ペア:

[(1, 74979261), (3, 24993087), (7, 10711323), (9, 8331029), (21, 3570441), (49, 1530189), (63, 1190147), (147, 510063), (441, 170021)]