31481541

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4271}}^1$

素因数の和:4303

約数の個数: 40

約数和(自身を含む): 57894144

約数和(自身を除く): 26412603

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 4271, 7371, 12813, 29897, 38439, 55523, 89691, 115317, 166569, 269073, 345951, 388661, 499707, 807219, 1165983, 1499121, 2421657, 3497949, 4497363, 10493847, 31481541]

約数ペア:

[(1, 31481541), (3, 10493847), (7, 4497363), (9, 3497949), (13, 2421657), (21, 1499121), (27, 1165983), (39, 807219), (63, 499707), (81, 388661), (91, 345951), (117, 269073), (189, 166569), (273, 115317), (351, 89691), (567, 55523), (819, 38439), (1053, 29897), (2457, 12813), (4271, 7371)]