207131715

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{219187}}^1$

素因数の和:219208

約数の個数: 32

約数和(自身を含む): 420840960

約数和(自身を除く): 213709245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 219187, 657561, 1095935, 1534309, 1972683, 3287805, 4602927, 5918049, 7671545, 9863415, 13808781, 23014635, 29590245, 41426343, 69043905, 207131715]

約数ペア:

[(1, 207131715), (3, 69043905), (5, 41426343), (7, 29590245), (9, 23014635), (15, 13808781), (21, 9863415), (27, 7671545), (35, 5918049), (45, 4602927), (63, 3287805), (105, 1972683), (135, 1534309), (189, 1095935), (315, 657561), (945, 219187)]