1997541

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:303

約数の個数: 40

約数和(自身を含む): 3686144

約数和(自身を除く): 1688603

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 271, 273, 351, 567, 813, 819, 1053, 1897, 2439, 2457, 3523, 5691, 7317, 7371, 10569, 17073, 21951, 24661, 31707, 51219, 73983, 95121, 153657, 221949, 285363, 665847, 1997541]

約数ペア:

[(1, 1997541), (3, 665847), (7, 285363), (9, 221949), (13, 153657), (21, 95121), (27, 73983), (39, 51219), (63, 31707), (81, 24661), (91, 21951), (117, 17073), (189, 10569), (271, 7371), (273, 7317), (351, 5691), (567, 3523), (813, 2457), (819, 2439), (1053, 1897)]