81431658

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1433}}^1$

素因数の和:1500

約数の個数: 96

約数和(自身を含む): 225493632

約数和(自身を除く): 144061974

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 41, 42, 63, 66, 77, 82, 99, 123, 126, 154, 198, 231, 246, 287, 369, 451, 462, 574, 693, 738, 861, 902, 1353, 1386, 1433, 1722, 2583, 2706, 2866, 3157, 4059, 4299, 5166, 6314, 8118, 8598, 9471, 10031, 12897, 15763, 18942, 20062, 25794, 28413, 30093, 31526, 47289, 56826, 58753, 60186, 90279, 94578, 110341, 117506, 141867, 176259, 180558, 220682, 283734, 331023, 352518, 411271, 528777, 646283, 662046, 822542, 993069, 1057554, 1233813, 1292566, 1938849, 1986138, 2467626, 3701439, 3877698, 4523981, 5816547, 7402878, 9047962, 11633094, 13571943, 27143886, 40715829, 81431658]

約数ペア:

[(1, 81431658), (2, 40715829), (3, 27143886), (6, 13571943), (7, 11633094), (9, 9047962), (11, 7402878), (14, 5816547), (18, 4523981), (21, 3877698), (22, 3701439), (33, 2467626), (41, 1986138), (42, 1938849), (63, 1292566), (66, 1233813), (77, 1057554), (82, 993069), (99, 822542), (123, 662046), (126, 646283), (154, 528777), (198, 411271), (231, 352518), (246, 331023), (287, 283734), (369, 220682), (451, 180558), (462, 176259), (574, 141867), (693, 117506), (738, 110341), (861, 94578), (902, 90279), (1353, 60186), (1386, 58753), (1433, 56826), (1722, 47289), (2583, 31526), (2706, 30093), (2866, 28413), (3157, 25794), (4059, 20062), (4299, 18942), (5166, 15763), (6314, 12897), (8118, 10031), (8598, 9471)]