1583631

素因数分解:

$3^5\times 7^3\times {\mathrm{19}}^1$

素因数の和:55

約数の個数: 48

約数和(自身を含む): 2912000

約数和(自身を除く): 1328369

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 171, 189, 243, 343, 399, 441, 513, 567, 931, 1029, 1197, 1323, 1539, 1701, 2793, 3087, 3591, 3969, 4617, 6517, 8379, 9261, 10773, 11907, 19551, 25137, 27783, 32319, 58653, 75411, 83349, 175959, 226233, 527877, 1583631]

約数ペア:

[(1, 1583631), (3, 527877), (7, 226233), (9, 175959), (19, 83349), (21, 75411), (27, 58653), (49, 32319), (57, 27783), (63, 25137), (81, 19551), (133, 11907), (147, 10773), (171, 9261), (189, 8379), (243, 6517), (343, 4617), (399, 3969), (441, 3591), (513, 3087), (567, 2793), (931, 1701), (1029, 1539), (1197, 1323)]