201911871

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{1103}}^1$

素因数の和:1515

約数の個数: 32

約数和(自身を含む): 322191360

約数和(自身を除く): 120279489

約数列:

[1, 3, 7, 21, 23, 69, 161, 379, 483, 1103, 1137, 2653, 3309, 7721, 7959, 8717, 23163, 25369, 26151, 61019, 76107, 177583, 183057, 418037, 532749, 1254111, 2926259, 8778777, 9614851, 28844553, 67303957, 201911871]

約数ペア:

[(1, 201911871), (3, 67303957), (7, 28844553), (21, 9614851), (23, 8778777), (69, 2926259), (161, 1254111), (379, 532749), (483, 418037), (1103, 183057), (1137, 177583), (2653, 76107), (3309, 61019), (7721, 26151), (7959, 25369), (8717, 23163)]