1209573

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:258

約数の個数: 20

約数和(自身を含む): 1836780

約数和(自身を除く): 627207

約数列:

[1, 3, 9, 27, 81, 109, 137, 327, 411, 981, 1233, 2943, 3699, 8829, 11097, 14933, 44799, 134397, 403191, 1209573]

約数ペア:

[(1, 1209573), (3, 403191), (9, 134397), (27, 44799), (81, 14933), (109, 11097), (137, 8829), (327, 3699), (411, 2943), (981, 1233)]