207768105

素因数分解:

$3^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1553}}^1$

素因数の和:2558

約数の個数: 32

約数和(自身を含む): 369976320

約数和(自身を除く): 162208215

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 991, 1553, 2973, 4659, 4955, 7765, 8919, 13977, 14865, 23295, 26757, 41931, 44595, 69885, 133785, 209655, 1539023, 4617069, 7695115, 13851207, 23085345, 41553621, 69256035, 207768105]

約数ペア:

[(1, 207768105), (3, 69256035), (5, 41553621), (9, 23085345), (15, 13851207), (27, 7695115), (45, 4617069), (135, 1539023), (991, 209655), (1553, 133785), (2973, 69885), (4659, 44595), (4955, 41931), (7765, 26757), (8919, 23295), (13977, 14865)]