17956809

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17053}}^1$

素因数の和:17078

約数の個数: 20

約数和(自身を含む): 28889476

約数和(自身を除く): 10932667

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17053, 51159, 153477, 221689, 460431, 665067, 1381293, 1995201, 5985603, 17956809]

約数ペア:

[(1, 17956809), (3, 5985603), (9, 1995201), (13, 1381293), (27, 665067), (39, 460431), (81, 221689), (117, 153477), (351, 51159), (1053, 17053)]