291132021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 446777856

約数和(自身を除く): 155645835

約数列:

[1, 3, 17, 37, 41, 51, 53, 71, 111, 123, 159, 213, 629, 697, 901, 1207, 1517, 1887, 1961, 2091, 2173, 2627, 2703, 2911, 3621, 3763, 4551, 5883, 6519, 7881, 8733, 11289, 25789, 33337, 36941, 44659, 49487, 63971, 77367, 80401, 100011, 107707, 110823, 133977, 139231, 148461, 154283, 191913, 241203, 323121, 417693, 462849, 1366817, 1831019, 2366927, 2622811, 4100451, 5493057, 5708471, 7100781, 7868433, 17125413, 97044007, 291132021]

約数ペア:

[(1, 291132021), (3, 97044007), (17, 17125413), (37, 7868433), (41, 7100781), (51, 5708471), (53, 5493057), (71, 4100451), (111, 2622811), (123, 2366927), (159, 1831019), (213, 1366817), (629, 462849), (697, 417693), (901, 323121), (1207, 241203), (1517, 191913), (1887, 154283), (1961, 148461), (2091, 139231), (2173, 133977), (2627, 110823), (2703, 107707), (2911, 100011), (3621, 80401), (3763, 77367), (4551, 63971), (5883, 49487), (6519, 44659), (7881, 36941), (8733, 33337), (11289, 25789)]