25515567

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4091}}^1$

素因数の和:4121

約数の個数: 40

約数和(自身を含む): 47532672

約数和(自身を除く): 22017105

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 4091, 6237, 12273, 28637, 36819, 45001, 85911, 110457, 135003, 257733, 315007, 331371, 405009, 773199, 945021, 1215027, 2319597, 2835063, 3645081, 8505189, 25515567]

約数ペア:

[(1, 25515567), (3, 8505189), (7, 3645081), (9, 2835063), (11, 2319597), (21, 1215027), (27, 945021), (33, 773199), (63, 405009), (77, 331371), (81, 315007), (99, 257733), (189, 135003), (231, 110457), (297, 85911), (567, 45001), (693, 36819), (891, 28637), (2079, 12273), (4091, 6237)]