81851112

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{307}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 265705440

約数和(自身を除く): 183854328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 56, 63, 69, 72, 84, 92, 126, 138, 161, 168, 184, 207, 252, 276, 307, 322, 414, 483, 504, 529, 552, 614, 644, 828, 921, 966, 1058, 1228, 1288, 1449, 1587, 1656, 1842, 1932, 2116, 2149, 2456, 2763, 2898, 3174, 3684, 3703, 3864, 4232, 4298, 4761, 5526, 5796, 6348, 6447, 7061, 7368, 7406, 8596, 9522, 11052, 11109, 11592, 12696, 12894, 14122, 14812, 17192, 19044, 19341, 21183, 22104, 22218, 25788, 28244, 29624, 33327, 38088, 38682, 42366, 44436, 49427, 51576, 56488, 63549, 66654, 77364, 84732, 88872, 98854, 127098, 133308, 148281, 154728, 162403, 169464, 197708, 254196, 266616, 296562, 324806, 395416, 444843, 487209, 508392, 593124, 649612, 889686, 974418, 1136821, 1186248, 1299224, 1461627, 1779372, 1948836, 2273642, 2923254, 3410463, 3558744, 3897672, 4547284, 5846508, 6820926, 9094568, 10231389, 11693016, 13641852, 20462778, 27283704, 40925556, 81851112]

約数ペア:

[(1, 81851112), (2, 40925556), (3, 27283704), (4, 20462778), (6, 13641852), (7, 11693016), (8, 10231389), (9, 9094568), (12, 6820926), (14, 5846508), (18, 4547284), (21, 3897672), (23, 3558744), (24, 3410463), (28, 2923254), (36, 2273642), (42, 1948836), (46, 1779372), (56, 1461627), (63, 1299224), (69, 1186248), (72, 1136821), (84, 974418), (92, 889686), (126, 649612), (138, 593124), (161, 508392), (168, 487209), (184, 444843), (207, 395416), (252, 324806), (276, 296562), (307, 266616), (322, 254196), (414, 197708), (483, 169464), (504, 162403), (529, 154728), (552, 148281), (614, 133308), (644, 127098), (828, 98854), (921, 88872), (966, 84732), (1058, 77364), (1228, 66654), (1288, 63549), (1449, 56488), (1587, 51576), (1656, 49427), (1842, 44436), (1932, 42366), (2116, 38682), (2149, 38088), (2456, 33327), (2763, 29624), (2898, 28244), (3174, 25788), (3684, 22218), (3703, 22104), (3864, 21183), (4232, 19341), (4298, 19044), (4761, 17192), (5526, 14812), (5796, 14122), (6348, 12894), (6447, 12696), (7061, 11592), (7368, 11109), (7406, 11052), (8596, 9522)]