78387939

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 141926400

約数和(自身を除く): 63538461

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 83, 133, 171, 189, 249, 263, 399, 513, 581, 747, 789, 1197, 1577, 1743, 1841, 2241, 2367, 3591, 4731, 4997, 5229, 5523, 7101, 11039, 14193, 14991, 15687, 16569, 21829, 33117, 34979, 42579, 44973, 49707, 65487, 99351, 104937, 134919, 152803, 196461, 298053, 314811, 414751, 458409, 589383, 944433, 1244253, 1375227, 2903257, 3732759, 4125681, 8709771, 11198277, 26129313, 78387939]

約数ペア:

[(1, 78387939), (3, 26129313), (7, 11198277), (9, 8709771), (19, 4125681), (21, 3732759), (27, 2903257), (57, 1375227), (63, 1244253), (83, 944433), (133, 589383), (171, 458409), (189, 414751), (249, 314811), (263, 298053), (399, 196461), (513, 152803), (581, 134919), (747, 104937), (789, 99351), (1197, 65487), (1577, 49707), (1743, 44973), (1841, 42579), (2241, 34979), (2367, 33117), (3591, 21829), (4731, 16569), (4997, 15687), (5229, 14991), (5523, 14193), (7101, 11039)]