251935869

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 363073536

約数和(自身を除く): 111137667

約数列:

[1, 3, 17, 51, 97, 127, 291, 381, 401, 1203, 1649, 2159, 4947, 6477, 6817, 12319, 20451, 36957, 38897, 50927, 116691, 152781, 209423, 628269, 661249, 865759, 1983747, 2597277, 4939919, 14819757, 83978623, 251935869]

約数ペア:

[(1, 251935869), (3, 83978623), (17, 14819757), (51, 4939919), (97, 2597277), (127, 1983747), (291, 865759), (381, 661249), (401, 628269), (1203, 209423), (1649, 152781), (2159, 116691), (4947, 50927), (6477, 38897), (6817, 36957), (12319, 20451)]