408408021

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113731}}^1$

素因数の和:113766

約数の個数: 32

約数和(自身を含む): 727884800

約数和(自身を除く): 319476779

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 113731, 341193, 796117, 1023579, 2160889, 2388351, 3070737, 6482667, 7165053, 15126223, 19448001, 21495159, 45378669, 58344003, 136136007, 408408021]

約数ペア:

[(1, 408408021), (3, 136136007), (7, 58344003), (9, 45378669), (19, 21495159), (21, 19448001), (27, 15126223), (57, 7165053), (63, 6482667), (133, 3070737), (171, 2388351), (189, 2160889), (399, 1023579), (513, 796117), (1197, 341193), (3591, 113731)]