320413401

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 625695840

約数和(自身を除く): 305282439

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 41, 49, 63, 77, 81, 99, 123, 147, 179, 189, 231, 287, 297, 369, 441, 451, 537, 539, 567, 693, 861, 891, 1107, 1253, 1323, 1353, 1611, 1617, 1969, 2009, 2079, 2583, 3157, 3321, 3759, 3969, 4059, 4833, 4851, 5907, 6027, 6237, 7339, 7749, 8771, 9471, 11277, 12177, 13783, 14499, 14553, 17721, 18081, 22017, 22099, 23247, 26313, 28413, 33831, 36531, 41349, 43659, 51373, 53163, 54243, 66051, 66297, 78939, 80729, 85239, 96481, 101493, 124047, 154119, 159489, 162729, 198153, 198891, 236817, 242187, 255717, 289443, 359611, 372141, 462357, 565103, 594459, 596673, 710451, 726561, 868329, 1078833, 1116423, 1387071, 1695309, 1790019, 2179683, 2604987, 3236499, 3955721, 4161213, 5085927, 6539049, 7814961, 9709497, 11867163, 15257781, 29128491, 35601489, 45773343, 106804467, 320413401]

約数ペア:

[(1, 320413401), (3, 106804467), (7, 45773343), (9, 35601489), (11, 29128491), (21, 15257781), (27, 11867163), (33, 9709497), (41, 7814961), (49, 6539049), (63, 5085927), (77, 4161213), (81, 3955721), (99, 3236499), (123, 2604987), (147, 2179683), (179, 1790019), (189, 1695309), (231, 1387071), (287, 1116423), (297, 1078833), (369, 868329), (441, 726561), (451, 710451), (537, 596673), (539, 594459), (567, 565103), (693, 462357), (861, 372141), (891, 359611), (1107, 289443), (1253, 255717), (1323, 242187), (1353, 236817), (1611, 198891), (1617, 198153), (1969, 162729), (2009, 159489), (2079, 154119), (2583, 124047), (3157, 101493), (3321, 96481), (3759, 85239), (3969, 80729), (4059, 78939), (4833, 66297), (4851, 66051), (5907, 54243), (6027, 53163), (6237, 51373), (7339, 43659), (7749, 41349), (8771, 36531), (9471, 33831), (11277, 28413), (12177, 26313), (13783, 23247), (14499, 22099), (14553, 22017), (17721, 18081)]