28080108

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{4127}}^1$

素因数の和:4153

約数の個数: 72

約数和(自身を含む): 84145152

約数和(自身を除く): 56065044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 4127, 6804, 8254, 12381, 16508, 24762, 28889, 37143, 49524, 57778, 74286, 86667, 111429, 115556, 148572, 173334, 222858, 260001, 334287, 346668, 445716, 520002, 668574, 780003, 1002861, 1040004, 1337148, 1560006, 2005722, 2340009, 3120012, 4011444, 4680018, 7020027, 9360036, 14040054, 28080108]

約数ペア:

[(1, 28080108), (2, 14040054), (3, 9360036), (4, 7020027), (6, 4680018), (7, 4011444), (9, 3120012), (12, 2340009), (14, 2005722), (18, 1560006), (21, 1337148), (27, 1040004), (28, 1002861), (36, 780003), (42, 668574), (54, 520002), (63, 445716), (81, 346668), (84, 334287), (108, 260001), (126, 222858), (162, 173334), (189, 148572), (243, 115556), (252, 111429), (324, 86667), (378, 74286), (486, 57778), (567, 49524), (756, 37143), (972, 28889), (1134, 24762), (1701, 16508), (2268, 12381), (3402, 8254), (4127, 6804)]