743872437

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 1441566720

約数和(自身を除く): 697694283

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 43, 53, 63, 77, 99, 129, 157, 159, 189, 231, 297, 301, 371, 387, 471, 473, 477, 583, 693, 903, 1099, 1113, 1161, 1413, 1419, 1431, 1727, 1749, 2079, 2279, 2709, 3297, 3311, 3339, 4081, 4239, 4257, 5181, 5247, 6751, 6837, 8127, 8321, 9891, 9933, 10017, 12089, 12243, 12771, 15543, 15741, 15953, 20253, 20511, 24963, 25069, 29673, 29799, 36267, 36729, 46629, 47257, 47859, 58247, 60759, 61533, 74261, 74889, 75207, 89397, 91531, 108801, 110187, 141771, 143577, 174741, 175483, 182277, 222783, 224667, 225621, 274593, 326403, 357803, 425313, 430731, 519827, 524223, 526449, 640717, 668349, 676863, 823779, 1073409, 1275939, 1559481, 1572669, 1579347, 1922151, 2005047, 2471337, 2504621, 3220227, 3935833, 4678443, 4738041, 5766453, 7513863, 9660681, 11807499, 14035329, 17299359, 22541589, 27550831, 35422497, 67624767, 82652493, 106267491, 247957479, 743872437]

約数ペア:

[(1, 743872437), (3, 247957479), (7, 106267491), (9, 82652493), (11, 67624767), (21, 35422497), (27, 27550831), (33, 22541589), (43, 17299359), (53, 14035329), (63, 11807499), (77, 9660681), (99, 7513863), (129, 5766453), (157, 4738041), (159, 4678443), (189, 3935833), (231, 3220227), (297, 2504621), (301, 2471337), (371, 2005047), (387, 1922151), (471, 1579347), (473, 1572669), (477, 1559481), (583, 1275939), (693, 1073409), (903, 823779), (1099, 676863), (1113, 668349), (1161, 640717), (1413, 526449), (1419, 524223), (1431, 519827), (1727, 430731), (1749, 425313), (2079, 357803), (2279, 326403), (2709, 274593), (3297, 225621), (3311, 224667), (3339, 222783), (4081, 182277), (4239, 175483), (4257, 174741), (5181, 143577), (5247, 141771), (6751, 110187), (6837, 108801), (8127, 91531), (8321, 89397), (9891, 75207), (9933, 74889), (10017, 74261), (12089, 61533), (12243, 60759), (12771, 58247), (15543, 47859), (15741, 47257), (15953, 46629), (20253, 36729), (20511, 36267), (24963, 29799), (25069, 29673)]