217726299

素因数分解:

$3^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4129}}^1$

素因数の和:4182

約数の個数: 48

約数和(自身を含む): 384849920

約数和(自身を除く): 167123621

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 243, 279, 567, 651, 837, 1701, 1953, 2511, 4129, 5859, 7533, 12387, 17577, 28903, 37161, 52731, 86709, 111483, 127999, 260127, 334449, 383997, 780381, 895993, 1003347, 1151991, 2341143, 2687979, 3455973, 7023429, 8063937, 10367919, 24191811, 31103757, 72575433, 217726299]

約数ペア:

[(1, 217726299), (3, 72575433), (7, 31103757), (9, 24191811), (21, 10367919), (27, 8063937), (31, 7023429), (63, 3455973), (81, 2687979), (93, 2341143), (189, 1151991), (217, 1003347), (243, 895993), (279, 780381), (567, 383997), (651, 334449), (837, 260127), (1701, 127999), (1953, 111483), (2511, 86709), (4129, 52731), (5859, 37161), (7533, 28903), (12387, 17577)]