27297725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 42497280

約数和(自身を除く): 15199555

約数列:

[1, 5, 7, 13, 25, 35, 65, 71, 91, 169, 175, 325, 355, 455, 497, 845, 923, 1183, 1775, 2197, 2275, 2485, 4225, 4615, 5915, 6461, 10985, 11999, 12425, 15379, 23075, 29575, 32305, 54925, 59995, 76895, 83993, 155987, 161525, 299975, 384475, 419965, 779935, 1091909, 2099825, 3899675, 5459545, 27297725]

約数ペア:

[(1, 27297725), (5, 5459545), (7, 3899675), (13, 2099825), (25, 1091909), (35, 779935), (65, 419965), (71, 384475), (91, 299975), (169, 161525), (175, 155987), (325, 83993), (355, 76895), (455, 59995), (497, 54925), (845, 32305), (923, 29575), (1183, 23075), (1775, 15379), (2197, 12425), (2275, 11999), (2485, 10985), (4225, 6461), (4615, 5915)]