28438005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2659}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 49029120

約数和(自身を除く): 20591115

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 2659, 3565, 7977, 10695, 13295, 39885, 61157, 82429, 183471, 247287, 305785, 412145, 917355, 1236435, 1895867, 5687601, 9479335, 28438005]

約数ペア:

[(1, 28438005), (3, 9479335), (5, 5687601), (15, 1895867), (23, 1236435), (31, 917355), (69, 412145), (93, 305785), (115, 247287), (155, 183471), (345, 82429), (465, 61157), (713, 39885), (2139, 13295), (2659, 10695), (3565, 7977)]