66475647

素因数分解:

$3^4\times 7^1\times {\mathrm{117241}}^1$

素因数の和:117260

約数の個数: 20

約数和(自身を含む): 113490256

約数和(自身を除く): 47014609

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 117241, 351723, 820687, 1055169, 2462061, 3165507, 7386183, 9496521, 22158549, 66475647]

約数ペア:

[(1, 66475647), (3, 22158549), (7, 9496521), (9, 7386183), (21, 3165507), (27, 2462061), (63, 1055169), (81, 820687), (189, 351723), (567, 117241)]