25969599

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 18267201

約数列:

[1, 3, 9, 19, 23, 27, 31, 57, 69, 71, 93, 171, 207, 213, 279, 437, 513, 589, 621, 639, 713, 837, 1311, 1349, 1633, 1767, 1917, 2139, 2201, 3933, 4047, 4899, 5301, 6417, 6603, 11799, 12141, 13547, 14697, 15903, 19251, 19809, 31027, 36423, 40641, 41819, 44091, 50623, 59427, 93081, 121923, 125457, 151869, 279243, 365769, 376371, 455607, 837729, 961837, 1129113, 1366821, 2885511, 8656533, 25969599]

約数ペア:

[(1, 25969599), (3, 8656533), (9, 2885511), (19, 1366821), (23, 1129113), (27, 961837), (31, 837729), (57, 455607), (69, 376371), (71, 365769), (93, 279243), (171, 151869), (207, 125457), (213, 121923), (279, 93081), (437, 59427), (513, 50623), (589, 44091), (621, 41819), (639, 40641), (713, 36423), (837, 31027), (1311, 19809), (1349, 19251), (1633, 15903), (1767, 14697), (1917, 13547), (2139, 12141), (2201, 11799), (3933, 6603), (4047, 6417), (4899, 5301)]