171325287

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7027}}^1$

素因数の和:7089

約数の個数: 40

約数和(自身を含む): 299336576

約数和(自身を除く): 128011289

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 903, 1161, 2709, 3483, 7027, 8127, 21081, 24381, 49189, 63243, 147567, 189729, 302161, 442701, 569187, 906483, 1328103, 2115127, 2719449, 3984309, 6345381, 8158347, 19036143, 24475041, 57108429, 171325287]

約数ペア:

[(1, 171325287), (3, 57108429), (7, 24475041), (9, 19036143), (21, 8158347), (27, 6345381), (43, 3984309), (63, 2719449), (81, 2115127), (129, 1328103), (189, 906483), (301, 569187), (387, 442701), (567, 302161), (903, 189729), (1161, 147567), (2709, 63243), (3483, 49189), (7027, 24381), (8127, 21081)]