215519931

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3461}}^1$

素因数の和:3532

約数の個数: 48

約数和(自身を含む): 369409248

約数和(自身を除く): 153889317

約数列:

[1, 3, 9, 11, 17, 33, 37, 51, 99, 111, 153, 187, 333, 407, 561, 629, 1221, 1683, 1887, 3461, 3663, 5661, 6919, 10383, 20757, 31149, 38071, 58837, 62271, 114213, 128057, 176511, 342639, 384171, 529533, 647207, 1152513, 1408627, 1941621, 2176969, 4225881, 5824863, 6530907, 12677643, 19592721, 23946659, 71839977, 215519931]

約数ペア:

[(1, 215519931), (3, 71839977), (9, 23946659), (11, 19592721), (17, 12677643), (33, 6530907), (37, 5824863), (51, 4225881), (99, 2176969), (111, 1941621), (153, 1408627), (187, 1152513), (333, 647207), (407, 529533), (561, 384171), (629, 342639), (1221, 176511), (1683, 128057), (1887, 114213), (3461, 62271), (3663, 58837), (5661, 38071), (6919, 31149), (10383, 20757)]