12042387

素因数分解:

$3^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 20966400

約数和(自身を除く): 8924013

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 83, 141, 147, 249, 329, 343, 423, 441, 581, 747, 987, 1029, 1743, 2303, 2961, 3087, 3901, 4067, 5229, 6909, 11703, 12201, 16121, 20727, 27307, 28469, 35109, 36603, 48363, 81921, 85407, 145089, 191149, 245763, 256221, 573447, 1338043, 1720341, 4014129, 12042387]

約数ペア:

[(1, 12042387), (3, 4014129), (7, 1720341), (9, 1338043), (21, 573447), (47, 256221), (49, 245763), (63, 191149), (83, 145089), (141, 85407), (147, 81921), (249, 48363), (329, 36603), (343, 35109), (423, 28469), (441, 27307), (581, 20727), (747, 16121), (987, 12201), (1029, 11703), (1743, 6909), (2303, 5229), (2961, 4067), (3087, 3901)]