31373811

素因数分解:

$3^4\times 7^1\times {\mathrm{55333}}^1$

素因数の和:55352

約数の個数: 20

約数和(自身を含む): 53563312

約数和(自身を除く): 22189501

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 55333, 165999, 387331, 497997, 1161993, 1493991, 3485979, 4481973, 10457937, 31373811]

約数ペア:

[(1, 31373811), (3, 10457937), (7, 4481973), (9, 3485979), (21, 1493991), (27, 1161993), (63, 497997), (81, 387331), (189, 165999), (567, 55333)]