54278781221

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{870173}}^1$

素因数の和:870273

約数の個数: 24

約数和(自身を含む): 67455888480

約数和(自身を除く): 13177107259

約数列:

[1, 7, 19, 49, 67, 133, 469, 931, 1273, 3283, 8911, 62377, 870173, 6091211, 16533287, 42638477, 58301591, 115733009, 408111137, 810131063, 1107730229, 2856777959, 7754111603, 54278781221]

約数ペア:

[(1, 54278781221), (7, 7754111603), (19, 2856777959), (49, 1107730229), (67, 810131063), (133, 408111137), (469, 115733009), (931, 58301591), (1273, 42638477), (3283, 16533287), (8911, 6091211), (62377, 870173)]