51139491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{42299}}^1$

素因数の和:42346

約数の個数: 16

約数和(自身を含む): 75801600

約数和(自身を除く): 24662109

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 42299, 126897, 549887, 1311269, 1649661, 3933807, 17046497, 51139491]

約数ペア:

[(1, 51139491), (3, 17046497), (13, 3933807), (31, 1649661), (39, 1311269), (93, 549887), (403, 126897), (1209, 42299)]