12739761

素因数分解:

$3^5\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 19306560

約数和(自身を除く): 6566799

約数列:

[1, 3, 9, 27, 81, 103, 243, 309, 509, 927, 1527, 2781, 4581, 8343, 13743, 25029, 41229, 52427, 123687, 157281, 471843, 1415529, 4246587, 12739761]

約数ペア:

[(1, 12739761), (3, 4246587), (9, 1415529), (27, 471843), (81, 157281), (103, 123687), (243, 52427), (309, 41229), (509, 25029), (927, 13743), (1527, 8343), (2781, 4581)]