161619138

素因数分解:

$2^1\times 3^4\times {\mathrm{997649}}^1$

素因数の和:997663

約数の個数: 20

約数和(自身を含む): 362146950

約数和(自身を除く): 200527812

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 997649, 1995298, 2992947, 5985894, 8978841, 17957682, 26936523, 53873046, 80809569, 161619138]

約数ペア:

[(1, 161619138), (2, 80809569), (3, 53873046), (6, 26936523), (9, 17957682), (18, 8978841), (27, 5985894), (54, 2992947), (81, 1995298), (162, 997649)]