25325937

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 48275136

約数和(自身を除く): 22949199

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 107, 117, 119, 153, 221, 273, 289, 321, 357, 663, 749, 819, 867, 963, 1071, 1391, 1547, 1819, 1989, 2023, 2247, 2601, 3757, 4173, 4641, 5457, 6069, 6741, 9737, 11271, 12519, 12733, 13923, 16371, 18207, 23647, 26299, 29211, 30923, 33813, 38199, 70941, 78897, 87633, 92769, 114597, 165529, 212823, 216461, 236691, 278307, 401999, 496587, 649383, 1205997, 1489761, 1948149, 2813993, 3617991, 8441979, 25325937]

約数ペア:

[(1, 25325937), (3, 8441979), (7, 3617991), (9, 2813993), (13, 1948149), (17, 1489761), (21, 1205997), (39, 649383), (51, 496587), (63, 401999), (91, 278307), (107, 236691), (117, 216461), (119, 212823), (153, 165529), (221, 114597), (273, 92769), (289, 87633), (321, 78897), (357, 70941), (663, 38199), (749, 33813), (819, 30923), (867, 29211), (963, 26299), (1071, 23647), (1391, 18207), (1547, 16371), (1819, 13923), (1989, 12733), (2023, 12519), (2247, 11271), (2601, 9737), (3757, 6741), (4173, 6069), (4641, 5457)]