2145247

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{571}}^1$

素因数の和:618

約数の個数: 12

約数和(自身を含む): 2458456

約数和(自身を除く): 313209

約数列:

[1, 13, 17, 221, 289, 571, 3757, 7423, 9707, 126191, 165019, 2145247]

約数ペア:

[(1, 2145247), (13, 165019), (17, 126191), (221, 9707), (289, 7423), (571, 3757)]