1661001039

素因数分解:

$3^3\times {\mathrm{193}}^1\times {\mathrm{318749}}^1$

素因数の和:318951

約数の個数: 16

約数和(自身を含む): 2473500000

約数和(自身を除く): 812498961

約数列:

[1, 3, 9, 27, 193, 579, 1737, 5211, 318749, 956247, 2868741, 8606223, 61518557, 184555671, 553667013, 1661001039]

約数ペア:

[(1, 1661001039), (3, 553667013), (9, 184555671), (27, 61518557), (193, 8606223), (579, 2868741), (1737, 956247), (5211, 318749)]