127721601

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 217945728

約数和(自身を除く): 90224127

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 197, 251, 287, 369, 591, 753, 861, 1379, 1757, 1773, 2259, 2583, 4137, 5271, 8077, 10291, 12411, 15813, 24231, 30873, 49447, 56539, 72037, 72693, 92619, 148341, 169617, 216111, 346129, 445023, 508851, 648333, 1038387, 2027327, 3115161, 6081981, 14191289, 18245943, 42573867, 127721601]

約数ペア:

[(1, 127721601), (3, 42573867), (7, 18245943), (9, 14191289), (21, 6081981), (41, 3115161), (63, 2027327), (123, 1038387), (197, 648333), (251, 508851), (287, 445023), (369, 346129), (591, 216111), (753, 169617), (861, 148341), (1379, 92619), (1757, 72693), (1773, 72037), (2259, 56539), (2583, 49447), (4137, 30873), (5271, 24231), (8077, 15813), (10291, 12411)]