31393131

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3673}}^1$

素因数の和:3731

約数の個数: 32

約数和(自身を含む): 53611008

約数和(自身を除く): 22217877

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 3673, 8547, 11019, 25711, 40403, 77133, 121209, 135901, 282821, 407703, 848463, 951307, 1494911, 2853921, 4484733, 10464377, 31393131]

約数ペア:

[(1, 31393131), (3, 10464377), (7, 4484733), (11, 2853921), (21, 1494911), (33, 951307), (37, 848463), (77, 407703), (111, 282821), (231, 135901), (259, 121209), (407, 77133), (777, 40403), (1221, 25711), (2849, 11019), (3673, 8547)]