219956385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{2917}}^1$

素因数の和:3393

約数の個数: 32

約数和(自身を含む): 384895872

約数和(自身を除く): 164939487

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 457, 1371, 2285, 2917, 5027, 6855, 8751, 14585, 15081, 25135, 32087, 43755, 75405, 96261, 160435, 481305, 1333069, 3999207, 6665345, 14663759, 19996035, 43991277, 73318795, 219956385]

約数ペア:

[(1, 219956385), (3, 73318795), (5, 43991277), (11, 19996035), (15, 14663759), (33, 6665345), (55, 3999207), (165, 1333069), (457, 481305), (1371, 160435), (2285, 96261), (2917, 75405), (5027, 43755), (6855, 32087), (8751, 25135), (14585, 15081)]