2897937

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:307

約数の個数: 40

約数和(自身を含む): 5227200

約数和(自身を除く): 2329263

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 269, 399, 513, 567, 807, 1197, 1539, 1883, 2421, 3591, 5111, 5649, 7263, 10773, 15333, 16947, 21789, 35777, 45999, 50841, 107331, 137997, 152523, 321993, 413991, 965979, 2897937]

約数ペア:

[(1, 2897937), (3, 965979), (7, 413991), (9, 321993), (19, 152523), (21, 137997), (27, 107331), (57, 50841), (63, 45999), (81, 35777), (133, 21789), (171, 16947), (189, 15333), (269, 10773), (399, 7263), (513, 5649), (567, 5111), (807, 3591), (1197, 2421), (1539, 1883)]