42690123

素因数分解:

$3^2\times 7^3\times {\mathrm{13829}}^1$

素因数の和:13856

約数の個数: 24

約数和(自身を含む): 71916000

約数和(自身を除く): 29225877

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 13829, 41487, 96803, 124461, 290409, 677621, 871227, 2032863, 4743347, 6098589, 14230041, 42690123]

約数ペア:

[(1, 42690123), (3, 14230041), (7, 6098589), (9, 4743347), (21, 2032863), (49, 871227), (63, 677621), (147, 290409), (343, 124461), (441, 96803), (1029, 41487), (3087, 13829)]