31072011

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 46103040

約数和(自身を除く): 15031029

約数列:

[1, 3, 19, 23, 57, 69, 137, 173, 411, 437, 519, 1311, 2603, 3151, 3287, 3979, 7809, 9453, 9861, 11937, 23701, 59869, 71103, 75601, 179607, 226803, 450319, 545123, 1350957, 1635369, 10357337, 31072011]

約数ペア:

[(1, 31072011), (3, 10357337), (19, 1635369), (23, 1350957), (57, 545123), (69, 450319), (137, 226803), (173, 179607), (411, 75601), (437, 71103), (519, 59869), (1311, 23701), (2603, 11937), (3151, 9861), (3287, 9453), (3979, 7809)]