221874411

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{163987}}^1$

素因数の和:164042

約数の個数: 16

約数和(自身を含む): 330599808

約数和(自身を除く): 108725397

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 163987, 491961, 1803857, 5411571, 6723467, 20170401, 73958137, 221874411]

約数ペア:

[(1, 221874411), (3, 73958137), (11, 20170401), (33, 6723467), (41, 5411571), (123, 1803857), (451, 491961), (1353, 163987)]