647604477

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 1144765440

約数和(自身を除く): 497160963

約数列:

[1, 3, 9, 13, 17, 27, 31, 39, 51, 81, 93, 117, 153, 221, 243, 279, 351, 389, 403, 459, 527, 663, 837, 1053, 1167, 1209, 1377, 1581, 1989, 2511, 3159, 3501, 3627, 4131, 4743, 5057, 5967, 6613, 6851, 7533, 10503, 10881, 12059, 14229, 15171, 17901, 19839, 20553, 31509, 32643, 36177, 42687, 45513, 53703, 59517, 61659, 85969, 94527, 97929, 108531, 128061, 136539, 156767, 178551, 184977, 205003, 257907, 325593, 409617, 470301, 535653, 554931, 615009, 773721, 976779, 1228851, 1410903, 1606959, 1664793, 1845027, 2321163, 2665039, 2930337, 4232709, 5535081, 6963489, 7995117, 12698127, 16605243, 20890467, 23985351, 38094381, 49815729, 71956053, 215868159, 647604477]

約数ペア:

[(1, 647604477), (3, 215868159), (9, 71956053), (13, 49815729), (17, 38094381), (27, 23985351), (31, 20890467), (39, 16605243), (51, 12698127), (81, 7995117), (93, 6963489), (117, 5535081), (153, 4232709), (221, 2930337), (243, 2665039), (279, 2321163), (351, 1845027), (389, 1664793), (403, 1606959), (459, 1410903), (527, 1228851), (663, 976779), (837, 773721), (1053, 615009), (1167, 554931), (1209, 535653), (1377, 470301), (1581, 409617), (1989, 325593), (2511, 257907), (3159, 205003), (3501, 184977), (3627, 178551), (4131, 156767), (4743, 136539), (5057, 128061), (5967, 108531), (6613, 97929), (6851, 94527), (7533, 85969), (10503, 61659), (10881, 59517), (12059, 53703), (14229, 45513), (15171, 42687), (17901, 36177), (19839, 32643), (20553, 31509)]