25986987

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:114

約数の個数: 80

約数和(自身を含む): 46347840

約数和(自身を除く): 20360853

約数列:

[1, 3, 9, 13, 23, 27, 29, 37, 39, 69, 81, 87, 111, 117, 207, 261, 299, 333, 351, 377, 481, 621, 667, 783, 851, 897, 999, 1053, 1073, 1131, 1443, 1863, 2001, 2349, 2553, 2691, 2997, 3219, 3393, 4329, 6003, 7659, 8073, 8671, 9657, 10179, 11063, 12987, 13949, 18009, 22977, 24219, 24679, 26013, 28971, 30537, 33189, 38961, 41847, 54027, 68931, 74037, 78039, 86913, 99567, 125541, 222111, 234117, 298701, 320827, 376623, 666333, 702351, 896103, 962481, 1129869, 1998999, 2887443, 8662329, 25986987]

約数ペア:

[(1, 25986987), (3, 8662329), (9, 2887443), (13, 1998999), (23, 1129869), (27, 962481), (29, 896103), (37, 702351), (39, 666333), (69, 376623), (81, 320827), (87, 298701), (111, 234117), (117, 222111), (207, 125541), (261, 99567), (299, 86913), (333, 78039), (351, 74037), (377, 68931), (481, 54027), (621, 41847), (667, 38961), (783, 33189), (851, 30537), (897, 28971), (999, 26013), (1053, 24679), (1073, 24219), (1131, 22977), (1443, 18009), (1863, 13949), (2001, 12987), (2349, 11063), (2553, 10179), (2691, 9657), (2997, 8671), (3219, 8073), (3393, 7659), (4329, 6003)]