13258161

素因数分解:

$3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:435

約数の個数: 40

約数和(自身を含む): 23038400

約数和(自身を除く): 9780239

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 349, 469, 567, 603, 1047, 1407, 1809, 2443, 3141, 4221, 5427, 7329, 9423, 12663, 21987, 23383, 28269, 37989, 65961, 70149, 163681, 197883, 210447, 491043, 631341, 1473129, 1894023, 4419387, 13258161]

約数ペア:

[(1, 13258161), (3, 4419387), (7, 1894023), (9, 1473129), (21, 631341), (27, 491043), (63, 210447), (67, 197883), (81, 163681), (189, 70149), (201, 65961), (349, 37989), (469, 28269), (567, 23383), (603, 21987), (1047, 12663), (1407, 9423), (1809, 7329), (2443, 5427), (3141, 4221)]