215418721

素因数分解:

$7^1\times {\mathrm{31}}^3\times {\mathrm{1033}}^1$

素因数の和:1133

約数の個数: 16

約数和(自身を含む): 254645248

約数和(自身を除く): 39226527

約数列:

[1, 7, 31, 217, 961, 1033, 6727, 7231, 29791, 32023, 208537, 224161, 992713, 6948991, 30774103, 215418721]

約数ペア:

[(1, 215418721), (7, 30774103), (31, 6948991), (217, 992713), (961, 224161), (1033, 208537), (6727, 32023), (7231, 29791)]