31251321

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1301}}^1$

素因数の和:1481

約数の個数: 24

約数和(自身を含む): 48137544

約数和(自身を除く): 16886223

約数列:

[1, 3, 9, 17, 51, 153, 157, 471, 1301, 1413, 2669, 3903, 8007, 11709, 22117, 24021, 66351, 199053, 204257, 612771, 1838313, 3472369, 10417107, 31251321]

約数ペア:

[(1, 31251321), (3, 10417107), (9, 3472369), (17, 1838313), (51, 612771), (153, 204257), (157, 199053), (471, 66351), (1301, 24021), (1413, 22117), (2669, 11709), (3903, 8007)]