27901503

素因数分解:

$3^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 48921600

約数和(自身を除く): 21020097

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 243, 329, 349, 423, 567, 987, 1047, 1269, 1701, 2443, 2961, 3141, 3807, 7329, 8883, 9423, 11421, 16403, 21987, 26649, 28269, 49209, 65961, 79947, 84807, 114821, 147627, 197883, 344463, 442881, 593649, 1033389, 1328643, 3100167, 3985929, 9300501, 27901503]

約数ペア:

[(1, 27901503), (3, 9300501), (7, 3985929), (9, 3100167), (21, 1328643), (27, 1033389), (47, 593649), (63, 442881), (81, 344463), (141, 197883), (189, 147627), (243, 114821), (329, 84807), (349, 79947), (423, 65961), (567, 49209), (987, 28269), (1047, 26649), (1269, 21987), (1701, 16403), (2443, 11421), (2961, 9423), (3141, 8883), (3807, 7329)]