2017991799993

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1811}}^1\times {\mathrm{539089}}^1$

素因数の和:540969

約数の個数: 32

約数和(自身を含む): 2953937185920

約数和(自身を除く): 935945385927

約数列:

[1, 3, 13, 39, 53, 159, 689, 1811, 2067, 5433, 23543, 70629, 95983, 287949, 539089, 1247779, 1617267, 3743337, 7008157, 21024471, 28571717, 85715151, 371432321, 976290179, 1114296963, 2928870537, 12691772327, 38075316981, 51743379487, 155230138461, 672663933331, 2017991799993]

約数ペア:

[(1, 2017991799993), (3, 672663933331), (13, 155230138461), (39, 51743379487), (53, 38075316981), (159, 12691772327), (689, 2928870537), (1811, 1114296963), (2067, 976290179), (5433, 371432321), (23543, 85715151), (70629, 28571717), (95983, 21024471), (287949, 7008157), (539089, 3743337), (1247779, 1617267)]