25281585

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 27802575

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 93, 105, 135, 155, 189, 217, 279, 315, 465, 651, 837, 863, 945, 1085, 1395, 1953, 2589, 3255, 4185, 4315, 5859, 6041, 7767, 9765, 12945, 18123, 23301, 26753, 29295, 30205, 38835, 54369, 80259, 90615, 116505, 133765, 163107, 187271, 240777, 271845, 401295, 561813, 722331, 815535, 936355, 1203885, 1685439, 2809065, 3611655, 5056317, 8427195, 25281585]

約数ペア:

[(1, 25281585), (3, 8427195), (5, 5056317), (7, 3611655), (9, 2809065), (15, 1685439), (21, 1203885), (27, 936355), (31, 815535), (35, 722331), (45, 561813), (63, 401295), (93, 271845), (105, 240777), (135, 187271), (155, 163107), (189, 133765), (217, 116505), (279, 90615), (315, 80259), (465, 54369), (651, 38835), (837, 30205), (863, 29295), (945, 26753), (1085, 23301), (1395, 18123), (1953, 12945), (2589, 9765), (3255, 7767), (4185, 6041), (4315, 5859)]