12970275

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 22903296

約数和(自身を除く): 9933021

約数列:

[1, 3, 5, 15, 23, 25, 69, 73, 75, 103, 115, 219, 309, 345, 365, 515, 575, 1095, 1545, 1679, 1725, 1825, 2369, 2575, 5037, 5475, 7107, 7519, 7725, 8395, 11845, 22557, 25185, 35535, 37595, 41975, 59225, 112785, 125925, 172937, 177675, 187975, 518811, 563925, 864685, 2594055, 4323425, 12970275]

約数ペア:

[(1, 12970275), (3, 4323425), (5, 2594055), (15, 864685), (23, 563925), (25, 518811), (69, 187975), (73, 177675), (75, 172937), (103, 125925), (115, 112785), (219, 59225), (309, 41975), (345, 37595), (365, 35535), (515, 25185), (575, 22557), (1095, 11845), (1545, 8395), (1679, 7725), (1725, 7519), (1825, 7107), (2369, 5475), (2575, 5037)]