553617687

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 900257280

約数和(自身を除く): 346639593

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 361, 399, 709, 721, 1083, 1957, 2127, 2163, 2527, 4963, 5871, 7581, 13471, 13699, 14889, 37183, 40413, 41097, 73027, 94297, 111549, 219081, 255949, 260281, 282891, 511189, 767847, 780843, 1387513, 1533567, 1791643, 4162539, 5374929, 9712591, 26362747, 29137773, 79088241, 184539229, 553617687]

約数ペア:

[(1, 553617687), (3, 184539229), (7, 79088241), (19, 29137773), (21, 26362747), (57, 9712591), (103, 5374929), (133, 4162539), (309, 1791643), (361, 1533567), (399, 1387513), (709, 780843), (721, 767847), (1083, 511189), (1957, 282891), (2127, 260281), (2163, 255949), (2527, 219081), (4963, 111549), (5871, 94297), (7581, 73027), (13471, 41097), (13699, 40413), (14889, 37183)]