161569107

素因数分解:

$3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4723}}^1$

素因数の和:4920

約数の個数: 32

約数和(自身を含む): 275125760

約数和(自身を除く): 113556653

約数列:

[1, 3, 7, 9, 21, 27, 63, 181, 189, 543, 1267, 1629, 3801, 4723, 4887, 11403, 14169, 33061, 34209, 42507, 99183, 127521, 297549, 854863, 892647, 2564589, 5984041, 7693767, 17952123, 23081301, 53856369, 161569107]

約数ペア:

[(1, 161569107), (3, 53856369), (7, 23081301), (9, 17952123), (21, 7693767), (27, 5984041), (63, 2564589), (181, 892647), (189, 854863), (543, 297549), (1267, 127521), (1629, 99183), (3801, 42507), (4723, 34209), (4887, 33061), (11403, 14169)]