30191031

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 51026976

約数和(自身を除く): 20835945

約数列:

[1, 3, 9, 13, 17, 39, 43, 51, 117, 129, 153, 221, 353, 387, 559, 663, 731, 1059, 1677, 1989, 2193, 3177, 4589, 5031, 6001, 6579, 9503, 13767, 15179, 18003, 28509, 41301, 45537, 54009, 78013, 85527, 136611, 197327, 234039, 258043, 591981, 702117, 774129, 1775943, 2322387, 3354559, 10063677, 30191031]

約数ペア:

[(1, 30191031), (3, 10063677), (9, 3354559), (13, 2322387), (17, 1775943), (39, 774129), (43, 702117), (51, 591981), (117, 258043), (129, 234039), (153, 197327), (221, 136611), (353, 85527), (387, 78013), (559, 54009), (663, 45537), (731, 41301), (1059, 28509), (1677, 18003), (1989, 15179), (2193, 13767), (3177, 9503), (4589, 6579), (5031, 6001)]