248765391

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{16661}}^1$

素因数の和:16756

約数の個数: 32

約数和(自身を含む): 426547200

約数和(自身を除く): 177781809

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1659, 2133, 4977, 14931, 16661, 49983, 116627, 149949, 349881, 449847, 1049643, 1316219, 3148929, 3948657, 9213533, 11845971, 27640599, 35537913, 82921797, 248765391]

約数ペア:

[(1, 248765391), (3, 82921797), (7, 35537913), (9, 27640599), (21, 11845971), (27, 9213533), (63, 3948657), (79, 3148929), (189, 1316219), (237, 1049643), (553, 449847), (711, 349881), (1659, 149949), (2133, 116627), (4977, 49983), (14931, 16661)]