20351331

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 40981248

約数和(自身を除く): 20629917

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 81, 91, 99, 117, 143, 189, 231, 251, 273, 297, 351, 429, 567, 693, 753, 819, 891, 1001, 1053, 1287, 1757, 2079, 2259, 2457, 2761, 3003, 3263, 3861, 5271, 6237, 6777, 7371, 8283, 9009, 9789, 11583, 15813, 19327, 20331, 22841, 24849, 27027, 29367, 35893, 47439, 57981, 68523, 74547, 81081, 88101, 107679, 142317, 173943, 205569, 223641, 251251, 264303, 323037, 521829, 616707, 753753, 969111, 1565487, 1850121, 2261259, 2907333, 6783777, 20351331]

約数ペア:

[(1, 20351331), (3, 6783777), (7, 2907333), (9, 2261259), (11, 1850121), (13, 1565487), (21, 969111), (27, 753753), (33, 616707), (39, 521829), (63, 323037), (77, 264303), (81, 251251), (91, 223641), (99, 205569), (117, 173943), (143, 142317), (189, 107679), (231, 88101), (251, 81081), (273, 74547), (297, 68523), (351, 57981), (429, 47439), (567, 35893), (693, 29367), (753, 27027), (819, 24849), (891, 22841), (1001, 20331), (1053, 19327), (1287, 15813), (1757, 11583), (2079, 9789), (2259, 9009), (2457, 8283), (2761, 7371), (3003, 6777), (3263, 6237), (3861, 5271)]