128575881

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 218609664

約数和(自身を除く): 90033783

約数列:

[1, 3, 7, 9, 21, 63, 67, 83, 201, 249, 367, 469, 581, 603, 747, 1101, 1407, 1743, 2569, 3303, 4221, 5229, 5561, 7707, 16683, 23121, 24589, 30461, 38927, 50049, 73767, 91383, 116781, 172123, 213227, 221301, 274149, 350343, 516369, 639681, 1549107, 1919043, 2040887, 6122661, 14286209, 18367983, 42858627, 128575881]

約数ペア:

[(1, 128575881), (3, 42858627), (7, 18367983), (9, 14286209), (21, 6122661), (63, 2040887), (67, 1919043), (83, 1549107), (201, 639681), (249, 516369), (367, 350343), (469, 274149), (581, 221301), (603, 213227), (747, 172123), (1101, 116781), (1407, 91383), (1743, 73767), (2569, 50049), (3303, 38927), (4221, 30461), (5229, 24589), (5561, 23121), (7707, 16683)]