42207723

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{3319}}^1$

素因数の和:3488

約数の個数: 20

約数和(自身を含む): 63471760

約数和(自身を除く): 21264037

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 3319, 4239, 9957, 12717, 29871, 89613, 268839, 521083, 1563249, 4689747, 14069241, 42207723]

約数ペア:

[(1, 42207723), (3, 14069241), (9, 4689747), (27, 1563249), (81, 521083), (157, 268839), (471, 89613), (1413, 29871), (3319, 12717), (4239, 9957)]