509437917

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{93871}}^1$

素因数の和:93950

約数の個数: 20

約数和(自身を含む): 772378816

約数和(自身を除く): 262940899

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 93871, 281613, 844839, 2534517, 6289357, 7603551, 18868071, 56604213, 169812639, 509437917]

約数ペア:

[(1, 509437917), (3, 169812639), (9, 56604213), (27, 18868071), (67, 7603551), (81, 6289357), (201, 2534517), (603, 844839), (1809, 281613), (5427, 93871)]