72449883

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 126753792

約数和(自身を除く): 54303909

約数列:

[1, 3, 9, 11, 27, 31, 33, 43, 61, 81, 93, 99, 129, 183, 279, 297, 341, 387, 473, 549, 671, 837, 891, 1023, 1161, 1333, 1419, 1647, 1891, 2013, 2511, 2623, 3069, 3483, 3999, 4257, 4941, 5673, 6039, 7869, 9207, 11997, 12771, 14663, 17019, 18117, 20801, 23607, 27621, 28853, 35991, 38313, 43989, 51057, 54351, 62403, 70821, 81313, 86559, 107973, 131967, 153171, 187209, 212463, 243939, 259677, 395901, 561627, 731817, 779031, 894443, 1187703, 1684881, 2195451, 2337093, 2683329, 6586353, 8049987, 24149961, 72449883]

約数ペア:

[(1, 72449883), (3, 24149961), (9, 8049987), (11, 6586353), (27, 2683329), (31, 2337093), (33, 2195451), (43, 1684881), (61, 1187703), (81, 894443), (93, 779031), (99, 731817), (129, 561627), (183, 395901), (279, 259677), (297, 243939), (341, 212463), (387, 187209), (473, 153171), (549, 131967), (671, 107973), (837, 86559), (891, 81313), (1023, 70821), (1161, 62403), (1333, 54351), (1419, 51057), (1647, 43989), (1891, 38313), (2013, 35991), (2511, 28853), (2623, 27621), (3069, 23607), (3483, 20801), (3999, 18117), (4257, 17019), (4941, 14663), (5673, 12771), (6039, 11997), (7869, 9207)]