25580121

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 41840640

約数和(自身を除く): 16260519

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 907, 1343, 1659, 2721, 4029, 6349, 9401, 15419, 19047, 28203, 46257, 71653, 107933, 214959, 323799, 501571, 1218101, 1504713, 3654303, 8526707, 25580121]

約数ペア:

[(1, 25580121), (3, 8526707), (7, 3654303), (17, 1504713), (21, 1218101), (51, 501571), (79, 323799), (119, 214959), (237, 107933), (357, 71653), (553, 46257), (907, 28203), (1343, 19047), (1659, 15419), (2721, 9401), (4029, 6349)]