77287581

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 138240000

約数和(自身を除く): 60952419

約数列:

[1, 3, 7, 9, 21, 27, 29, 59, 63, 87, 177, 189, 203, 239, 261, 413, 531, 609, 717, 783, 1239, 1593, 1673, 1711, 1827, 2151, 3717, 5019, 5133, 5481, 6453, 6931, 11151, 11977, 14101, 15057, 15399, 20793, 35931, 42303, 45171, 46197, 48517, 62379, 98707, 107793, 126909, 145551, 187137, 296121, 323379, 380727, 408929, 436653, 888363, 1226787, 1309959, 2665089, 2862503, 3680361, 8587509, 11041083, 25762527, 77287581]

約数ペア:

[(1, 77287581), (3, 25762527), (7, 11041083), (9, 8587509), (21, 3680361), (27, 2862503), (29, 2665089), (59, 1309959), (63, 1226787), (87, 888363), (177, 436653), (189, 408929), (203, 380727), (239, 323379), (261, 296121), (413, 187137), (531, 145551), (609, 126909), (717, 107793), (783, 98707), (1239, 62379), (1593, 48517), (1673, 46197), (1711, 45171), (1827, 42303), (2151, 35931), (3717, 20793), (5019, 15399), (5133, 15057), (5481, 14101), (6453, 11977), (6931, 11151)]