31727283

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{607}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 51363840

約数和(自身を除く): 19636557

約数列:

[1, 3, 7, 19, 21, 57, 131, 133, 393, 399, 607, 917, 1821, 2489, 2751, 4249, 7467, 11533, 12747, 17423, 34599, 52269, 79517, 80731, 238551, 242193, 556619, 1510823, 1669857, 4532469, 10575761, 31727283]

約数ペア:

[(1, 31727283), (3, 10575761), (7, 4532469), (19, 1669857), (21, 1510823), (57, 556619), (131, 242193), (133, 238551), (393, 80731), (399, 79517), (607, 52269), (917, 34599), (1821, 17423), (2489, 12747), (2751, 11533), (4249, 7467)]