506331

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:85

約数の個数: 40

約数和(自身を含む): 929280

約数和(自身を除く): 422949

約数列:

[1, 3, 7, 9, 19, 21, 27, 47, 57, 63, 81, 133, 141, 171, 189, 329, 399, 423, 513, 567, 893, 987, 1197, 1269, 1539, 2679, 2961, 3591, 3807, 6251, 8037, 8883, 10773, 18753, 24111, 26649, 56259, 72333, 168777, 506331]

約数ペア:

[(1, 506331), (3, 168777), (7, 72333), (9, 56259), (19, 26649), (21, 24111), (27, 18753), (47, 10773), (57, 8883), (63, 8037), (81, 6251), (133, 3807), (141, 3591), (171, 2961), (189, 2679), (329, 1539), (399, 1269), (423, 1197), (513, 987), (567, 893)]