128973733

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 156017664

約数和(自身を除く): 27043931

約数列:

[1, 7, 31, 49, 197, 217, 431, 1379, 1519, 3017, 6107, 9653, 13361, 21119, 42749, 84907, 93527, 299243, 594349, 654689, 2632117, 4160443, 18424819, 128973733]

約数ペア:

[(1, 128973733), (7, 18424819), (31, 4160443), (49, 2632117), (197, 654689), (217, 594349), (431, 299243), (1379, 93527), (1519, 84907), (3017, 42749), (6107, 21119), (9653, 13361)]