13199991

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15331}}^1$

素因数の和:15382

約数の個数: 16

約数和(自身を含む): 20606208

約数和(自身を除く): 7406217

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 15331, 45993, 107317, 321951, 628571, 1885713, 4399997, 13199991]

約数ペア:

[(1, 13199991), (3, 4399997), (7, 1885713), (21, 628571), (41, 321951), (123, 107317), (287, 45993), (861, 15331)]