1257249

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 2119680

約数和(自身を除く): 862431

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 137, 161, 399, 411, 437, 483, 959, 1311, 2603, 2877, 3059, 3151, 7809, 9177, 9453, 18221, 22057, 54663, 59869, 66171, 179607, 419083, 1257249]

約数ペア:

[(1, 1257249), (3, 419083), (7, 179607), (19, 66171), (21, 59869), (23, 54663), (57, 22057), (69, 18221), (133, 9453), (137, 9177), (161, 7809), (399, 3151), (411, 3059), (437, 2877), (483, 2603), (959, 1311)]