47388831

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^3\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 79234560

約数和(自身を除く): 31845729

約数列:

[1, 3, 7, 19, 21, 47, 49, 57, 133, 141, 147, 329, 361, 399, 893, 931, 987, 1083, 2303, 2527, 2679, 2793, 6251, 6859, 6909, 7581, 16967, 17689, 18753, 20577, 43757, 48013, 50901, 53067, 118769, 131271, 144039, 322373, 336091, 356307, 831383, 967119, 1008273, 2256611, 2494149, 6769833, 15796277, 47388831]

約数ペア:

[(1, 47388831), (3, 15796277), (7, 6769833), (19, 2494149), (21, 2256611), (47, 1008273), (49, 967119), (57, 831383), (133, 356307), (141, 336091), (147, 322373), (329, 144039), (361, 131271), (399, 118769), (893, 53067), (931, 50901), (987, 48013), (1083, 43757), (2303, 20577), (2527, 18753), (2679, 17689), (2793, 16967), (6251, 7581), (6859, 6909)]