208568577

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7079}}^1$

素因数の和:7173

約数の個数: 32

約数和(自身を含む): 337121280

約数和(自身を除く): 128552703

約数列:

[1, 3, 7, 21, 23, 61, 69, 161, 183, 427, 483, 1281, 1403, 4209, 7079, 9821, 21237, 29463, 49553, 148659, 162817, 431819, 488451, 1139719, 1295457, 3022733, 3419157, 9068199, 9931837, 29795511, 69522859, 208568577]

約数ペア:

[(1, 208568577), (3, 69522859), (7, 29795511), (21, 9931837), (23, 9068199), (61, 3419157), (69, 3022733), (161, 1295457), (183, 1139719), (427, 488451), (483, 431819), (1281, 162817), (1403, 148659), (4209, 49553), (7079, 29463), (9821, 21237)]