25952409

素因数分解:

$3^2\times 7^4\times {\mathrm{1201}}^1$

素因数の和:1235

約数の個数: 30

約数和(自身を含む): 43768426

約数和(自身を除く): 17816017

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 1201, 2401, 3087, 3603, 7203, 8407, 10809, 21609, 25221, 58849, 75663, 176547, 411943, 529641, 1235829, 2883601, 3707487, 8650803, 25952409]

約数ペア:

[(1, 25952409), (3, 8650803), (7, 3707487), (9, 2883601), (21, 1235829), (49, 529641), (63, 411943), (147, 176547), (343, 75663), (441, 58849), (1029, 25221), (1201, 21609), (2401, 10809), (3087, 8407), (3603, 7203)]