215537301

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 384307200

約数和(自身を除く): 168769899

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 179, 189, 207, 277, 483, 537, 621, 831, 1253, 1449, 1611, 1939, 2493, 3759, 4117, 4347, 4833, 5817, 6371, 7479, 11277, 12351, 17451, 19113, 28819, 33831, 37053, 44597, 49583, 52353, 57339, 86457, 111159, 133791, 148749, 172017, 259371, 347081, 401373, 446247, 778113, 1041243, 1140409, 1204119, 1338741, 3123729, 3421227, 7982863, 9371187, 10263681, 23948589, 30791043, 71845767, 215537301]

約数ペア:

[(1, 215537301), (3, 71845767), (7, 30791043), (9, 23948589), (21, 10263681), (23, 9371187), (27, 7982863), (63, 3421227), (69, 3123729), (161, 1338741), (179, 1204119), (189, 1140409), (207, 1041243), (277, 778113), (483, 446247), (537, 401373), (621, 347081), (831, 259371), (1253, 172017), (1449, 148749), (1611, 133791), (1939, 111159), (2493, 86457), (3759, 57339), (4117, 52353), (4347, 49583), (4833, 44597), (5817, 37053), (6371, 33831), (7479, 28819), (11277, 19113), (12351, 17451)]