42047929

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 53778816

約数和(自身を除く): 11730887

約数列:

[1, 7, 11, 49, 77, 181, 431, 539, 1267, 1991, 3017, 4741, 8869, 13937, 21119, 33187, 78011, 97559, 232309, 546077, 858121, 3822539, 6006847, 42047929]

約数ペア:

[(1, 42047929), (7, 6006847), (11, 3822539), (49, 858121), (77, 546077), (181, 232309), (431, 97559), (539, 78011), (1267, 33187), (1991, 21119), (3017, 13937), (4741, 8869)]