209003571

素因数分解:

$3^6\times 7^2\times {\mathrm{5851}}^1$

素因数の和:5883

約数の個数: 42

約数和(自身を含む): 364585452

約数和(自身を除く): 155581881

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1701, 3969, 5103, 5851, 11907, 17553, 35721, 40957, 52659, 122871, 157977, 286699, 368613, 473931, 860097, 1105839, 1421793, 2580291, 3317517, 4265379, 7740873, 9952551, 23222619, 29857653, 69667857, 209003571]

約数ペア:

[(1, 209003571), (3, 69667857), (7, 29857653), (9, 23222619), (21, 9952551), (27, 7740873), (49, 4265379), (63, 3317517), (81, 2580291), (147, 1421793), (189, 1105839), (243, 860097), (441, 473931), (567, 368613), (729, 286699), (1323, 157977), (1701, 122871), (3969, 52659), (5103, 40957), (5851, 35721), (11907, 17553)]