212523759

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4129}}^1$

素因数の和:4204

約数の個数: 48

約数和(自身を含む): 377977600

約数和(自身を除く): 165453841

約数列:

[1, 3, 7, 9, 19, 21, 43, 57, 63, 129, 133, 171, 301, 387, 399, 817, 903, 1197, 2451, 2709, 4129, 5719, 7353, 12387, 17157, 28903, 37161, 51471, 78451, 86709, 177547, 235353, 260127, 532641, 549157, 706059, 1242829, 1597923, 1647471, 3373393, 3728487, 4942413, 10120179, 11185461, 23613751, 30360537, 70841253, 212523759]

約数ペア:

[(1, 212523759), (3, 70841253), (7, 30360537), (9, 23613751), (19, 11185461), (21, 10120179), (43, 4942413), (57, 3728487), (63, 3373393), (129, 1647471), (133, 1597923), (171, 1242829), (301, 706059), (387, 549157), (399, 532641), (817, 260127), (903, 235353), (1197, 177547), (2451, 86709), (2709, 78451), (4129, 51471), (5719, 37161), (7353, 28903), (12387, 17157)]