205187715

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{66083}}^1$

素因数の和:66120

約数の個数: 32

約数和(自身を含む): 380643840

約数和(自身を除く): 175456125

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 66083, 198249, 330415, 594747, 991245, 1519909, 1784241, 2973735, 4559727, 7599545, 8921205, 13679181, 22798635, 41037543, 68395905, 205187715]

約数ペア:

[(1, 205187715), (3, 68395905), (5, 41037543), (9, 22798635), (15, 13679181), (23, 8921205), (27, 7599545), (45, 4559727), (69, 2973735), (115, 1784241), (135, 1519909), (207, 991245), (345, 594747), (621, 330415), (1035, 198249), (3105, 66083)]