31726131

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 49277184

約数和(自身を除く): 17551053

約数列:

[1, 3, 17, 23, 37, 43, 51, 69, 111, 129, 289, 391, 629, 731, 851, 867, 989, 1173, 1591, 1887, 2193, 2553, 2967, 4773, 6647, 10693, 12427, 14467, 16813, 19941, 27047, 32079, 36593, 37281, 43401, 50439, 81141, 109779, 245939, 285821, 459799, 622081, 737817, 857463, 1379397, 1866243, 10575377, 31726131]

約数ペア:

[(1, 31726131), (3, 10575377), (17, 1866243), (23, 1379397), (37, 857463), (43, 737817), (51, 622081), (69, 459799), (111, 285821), (129, 245939), (289, 109779), (391, 81141), (629, 50439), (731, 43401), (851, 37281), (867, 36593), (989, 32079), (1173, 27047), (1591, 19941), (1887, 16813), (2193, 14467), (2553, 12427), (2967, 10693), (4773, 6647)]