156678921

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 297676800

約数和(自身を除く): 140997879

約数列:

[1, 3, 7, 9, 19, 21, 23, 27, 49, 57, 63, 69, 133, 147, 161, 171, 189, 207, 271, 399, 437, 441, 483, 513, 621, 813, 931, 1127, 1197, 1311, 1323, 1449, 1897, 2439, 2793, 3059, 3381, 3591, 3933, 4347, 5149, 5691, 6233, 7317, 8379, 9177, 10143, 11799, 13279, 15447, 17073, 18699, 21413, 25137, 27531, 30429, 36043, 39837, 43631, 46341, 51219, 56097, 64239, 82593, 108129, 118427, 119511, 130893, 139023, 168291, 192717, 252301, 305417, 324387, 355281, 358533, 392679, 578151, 756903, 828989, 916251, 973161, 1065843, 1178037, 2270709, 2486967, 2748753, 3197529, 5802923, 6812127, 7460901, 8246259, 17408769, 22382703, 52226307, 156678921]

約数ペア:

[(1, 156678921), (3, 52226307), (7, 22382703), (9, 17408769), (19, 8246259), (21, 7460901), (23, 6812127), (27, 5802923), (49, 3197529), (57, 2748753), (63, 2486967), (69, 2270709), (133, 1178037), (147, 1065843), (161, 973161), (171, 916251), (189, 828989), (207, 756903), (271, 578151), (399, 392679), (437, 358533), (441, 355281), (483, 324387), (513, 305417), (621, 252301), (813, 192717), (931, 168291), (1127, 139023), (1197, 130893), (1311, 119511), (1323, 118427), (1449, 108129), (1897, 82593), (2439, 64239), (2793, 56097), (3059, 51219), (3381, 46341), (3591, 43631), (3933, 39837), (4347, 36043), (5149, 30429), (5691, 27531), (6233, 25137), (7317, 21413), (8379, 18699), (9177, 17073), (10143, 15447), (11799, 13279)]