138185537

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8731}}^1$

素因数の和:8781

約数の個数: 24

約数和(自身を含む): 179180640

約数和(自身を除く): 40995103

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 931, 2261, 8731, 15827, 61117, 148427, 165889, 427819, 1038989, 1161223, 2820113, 7272923, 8128561, 19740791, 138185537]

約数ペア:

[(1, 138185537), (7, 19740791), (17, 8128561), (19, 7272923), (49, 2820113), (119, 1161223), (133, 1038989), (323, 427819), (833, 165889), (931, 148427), (2261, 61117), (8731, 15827)]