231793569

素因数分解:

$3^8\times 7^3\times {\mathrm{103}}^1$

素因数の和:148

約数の個数: 72

約数和(自身を含む): 409385600

約数和(自身を除く): 177592031

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 103, 147, 189, 243, 309, 343, 441, 567, 721, 729, 927, 1029, 1323, 1701, 2163, 2187, 2781, 3087, 3969, 5047, 5103, 6489, 6561, 8343, 9261, 11907, 15141, 15309, 19467, 25029, 27783, 35329, 35721, 45423, 45927, 58401, 75087, 83349, 105987, 107163, 136269, 175203, 225261, 250047, 317961, 321489, 408807, 525609, 675783, 750141, 953883, 1226421, 1576827, 2250423, 2861649, 3679263, 4730481, 8584947, 11037789, 25754841, 33113367, 77264523, 231793569]

約数ペア:

[(1, 231793569), (3, 77264523), (7, 33113367), (9, 25754841), (21, 11037789), (27, 8584947), (49, 4730481), (63, 3679263), (81, 2861649), (103, 2250423), (147, 1576827), (189, 1226421), (243, 953883), (309, 750141), (343, 675783), (441, 525609), (567, 408807), (721, 321489), (729, 317961), (927, 250047), (1029, 225261), (1323, 175203), (1701, 136269), (2163, 107163), (2187, 105987), (2781, 83349), (3087, 75087), (3969, 58401), (5047, 45927), (5103, 45423), (6489, 35721), (6561, 35329), (8343, 27783), (9261, 25029), (11907, 19467), (15141, 15309)]