266979441

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 384912000

約数和(自身を除く): 117932559

約数列:

[1, 3, 17, 51, 89, 131, 267, 393, 449, 1347, 1513, 2227, 4539, 6681, 7633, 11659, 22899, 34977, 39961, 58819, 119883, 176457, 198203, 594609, 679337, 999923, 2038011, 2999769, 5234891, 15704673, 88993147, 266979441]

約数ペア:

[(1, 266979441), (3, 88993147), (17, 15704673), (51, 5234891), (89, 2999769), (131, 2038011), (267, 999923), (393, 679337), (449, 594609), (1347, 198203), (1513, 176457), (2227, 119883), (4539, 58819), (6681, 39961), (7633, 34977), (11659, 22899)]