1279662381

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{6121}}^1$

素因数の和:6251

約数の個数: 40

約数和(自身を含む): 2000057400

約数和(自身を除く): 720395019

約数列:

[1, 3, 9, 27, 29, 81, 87, 89, 261, 267, 783, 801, 2349, 2403, 2581, 6121, 7209, 7743, 18363, 23229, 55089, 69687, 165267, 177509, 209061, 495801, 532527, 544769, 1597581, 1634307, 4792743, 4902921, 14378229, 14708763, 15798301, 44126289, 47394903, 142184709, 426554127, 1279662381]

約数ペア:

[(1, 1279662381), (3, 426554127), (9, 142184709), (27, 47394903), (29, 44126289), (81, 15798301), (87, 14708763), (89, 14378229), (261, 4902921), (267, 4792743), (783, 1634307), (801, 1597581), (2349, 544769), (2403, 532527), (2581, 495801), (6121, 209061), (7209, 177509), (7743, 165267), (18363, 69687), (23229, 55089)]