19977961437

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{34729}}^1$

素因数の和:35162

約数の個数: 48

約数和(自身を含む): 34501059840

約数和(自身を除く): 14523098403

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 397, 483, 1191, 1449, 2779, 3573, 8337, 9131, 25011, 27393, 34729, 63917, 82179, 104187, 191751, 243103, 312561, 575253, 729309, 798767, 2187927, 2396301, 5591369, 7188903, 13787413, 16774107, 41362239, 50322321, 96511891, 124086717, 289535673, 317110499, 868607019, 951331497, 2219773493, 2853994491, 6659320479, 19977961437]

約数ペア:

[(1, 19977961437), (3, 6659320479), (7, 2853994491), (9, 2219773493), (21, 951331497), (23, 868607019), (63, 317110499), (69, 289535673), (161, 124086717), (207, 96511891), (397, 50322321), (483, 41362239), (1191, 16774107), (1449, 13787413), (2779, 7188903), (3573, 5591369), (8337, 2396301), (9131, 2187927), (25011, 798767), (27393, 729309), (34729, 575253), (63917, 312561), (82179, 243103), (104187, 191751)]