7212639

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 11658240

約数和(自身を除く): 4445601

約数列:

[1, 3, 7, 21, 23, 69, 109, 137, 161, 327, 411, 483, 763, 959, 2289, 2507, 2877, 3151, 7521, 9453, 14933, 17549, 22057, 44799, 52647, 66171, 104531, 313593, 343459, 1030377, 2404213, 7212639]

約数ペア:

[(1, 7212639), (3, 2404213), (7, 1030377), (21, 343459), (23, 313593), (69, 104531), (109, 66171), (137, 52647), (161, 44799), (327, 22057), (411, 17549), (483, 14933), (763, 9453), (959, 7521), (2289, 3151), (2507, 2877)]