40013955

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 71547840

約数和(自身を除く): 31533885

約数列:

[1, 3, 5, 9, 15, 45, 89, 97, 103, 267, 291, 309, 445, 485, 515, 801, 873, 927, 1335, 1455, 1545, 4005, 4365, 4635, 8633, 9167, 9991, 25899, 27501, 29973, 43165, 45835, 49955, 77697, 82503, 89919, 129495, 137505, 149865, 388485, 412515, 449595, 889199, 2667597, 4445995, 8002791, 13337985, 40013955]

約数ペア:

[(1, 40013955), (3, 13337985), (5, 8002791), (9, 4445995), (15, 2667597), (45, 889199), (89, 449595), (97, 412515), (103, 388485), (267, 149865), (291, 137505), (309, 129495), (445, 89919), (485, 82503), (515, 77697), (801, 49955), (873, 45835), (927, 43165), (1335, 29973), (1455, 27501), (1545, 25899), (4005, 9991), (4365, 9167), (4635, 8633)]