252809559

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 404736000

約数和(自身を除く): 151926441

約数列:

[1, 3, 9, 27, 29, 61, 67, 79, 87, 183, 201, 237, 261, 549, 603, 711, 783, 1647, 1769, 1809, 1943, 2133, 2291, 4087, 4819, 5293, 5307, 5829, 6873, 12261, 14457, 15879, 15921, 17487, 20619, 36783, 43371, 47637, 47763, 52461, 61857, 110349, 118523, 130113, 139751, 142911, 153497, 322873, 355569, 419253, 460491, 968619, 1066707, 1257759, 1381473, 2905857, 3200121, 3773277, 4144419, 8717571, 9363317, 28089951, 84269853, 252809559]

約数ペア:

[(1, 252809559), (3, 84269853), (9, 28089951), (27, 9363317), (29, 8717571), (61, 4144419), (67, 3773277), (79, 3200121), (87, 2905857), (183, 1381473), (201, 1257759), (237, 1066707), (261, 968619), (549, 460491), (603, 419253), (711, 355569), (783, 322873), (1647, 153497), (1769, 142911), (1809, 139751), (1943, 130113), (2133, 118523), (2291, 110349), (4087, 61857), (4819, 52461), (5293, 47763), (5307, 47637), (5829, 43371), (6873, 36783), (12261, 20619), (14457, 17487), (15879, 15921)]