1218993591

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{1657}}^1\times {\mathrm{5981}}^1$

素因数の和:7682

約数の個数: 16

約数和(自身を含む): 1666250208

約数和(自身を除く): 447256617

約数列:

[1, 3, 41, 123, 1657, 4971, 5981, 17943, 67937, 203811, 245221, 735663, 9910517, 29731551, 406331197, 1218993591]

約数ペア:

[(1, 1218993591), (3, 406331197), (41, 29731551), (123, 9910517), (1657, 735663), (4971, 245221), (5981, 203811), (17943, 67937)]