27947187

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{2447}}^1$

素因数の和:2509

約数の個数: 24

約数和(自身を含む): 42771456

約数和(自身を除く): 14824269

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 2447, 3807, 7341, 11421, 22023, 66069, 115009, 198207, 345027, 594621, 1035081, 3105243, 9315729, 27947187]

約数ペア:

[(1, 27947187), (3, 9315729), (9, 3105243), (27, 1035081), (47, 594621), (81, 345027), (141, 198207), (243, 115009), (423, 66069), (1269, 22023), (2447, 11421), (3807, 7341)]