79665621

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 132969600

約数和(自身を除く): 53303979

約数列:

[1, 3, 7, 17, 21, 49, 51, 71, 119, 147, 213, 357, 449, 497, 833, 1207, 1347, 1491, 2499, 3143, 3479, 3621, 7633, 8449, 9429, 10437, 22001, 22899, 25347, 31879, 53431, 59143, 66003, 95637, 160293, 177429, 223153, 374017, 541943, 669459, 1122051, 1562071, 1625829, 3793601, 4686213, 11380803, 26555207, 79665621]

約数ペア:

[(1, 79665621), (3, 26555207), (7, 11380803), (17, 4686213), (21, 3793601), (49, 1625829), (51, 1562071), (71, 1122051), (119, 669459), (147, 541943), (213, 374017), (357, 223153), (449, 177429), (497, 160293), (833, 95637), (1207, 66003), (1347, 59143), (1491, 53431), (2499, 31879), (3143, 25347), (3479, 22899), (3621, 22001), (7633, 10437), (8449, 9429)]