750141

素因数分解:

$3^7\times 7^3$

素因数の和:42

約数の個数: 32

約数和(自身を含む): 1312000

約数和(自身を除く): 561859

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 343, 441, 567, 729, 1029, 1323, 1701, 2187, 3087, 3969, 5103, 9261, 11907, 15309, 27783, 35721, 83349, 107163, 250047, 750141]

約数ペア:

[(1, 750141), (3, 250047), (7, 107163), (9, 83349), (21, 35721), (27, 27783), (49, 15309), (63, 11907), (81, 9261), (147, 5103), (189, 3969), (243, 3087), (343, 2187), (441, 1701), (567, 1323), (729, 1029)]