219528057

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1\times {\mathrm{659}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 347212800

約数和(自身を除く): 127684743

約数列:

[1, 3, 7, 21, 29, 87, 203, 547, 609, 659, 1641, 1977, 3829, 4613, 11487, 13839, 15863, 19111, 47589, 57333, 111041, 133777, 333123, 360473, 401331, 1081419, 2523311, 7569933, 10453717, 31361151, 73176019, 219528057]

約数ペア:

[(1, 219528057), (3, 73176019), (7, 31361151), (21, 10453717), (29, 7569933), (87, 2523311), (203, 1081419), (547, 401331), (609, 360473), (659, 333123), (1641, 133777), (1977, 111041), (3829, 57333), (4613, 47589), (11487, 19111), (13839, 15863)]