31275321

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135391}}^1$

素因数の和:135412

約数の個数: 16

約数和(自身を含む): 51990528

約数和(自身を除く): 20715207

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 135391, 406173, 947737, 1489301, 2843211, 4467903, 10425107, 31275321]

約数ペア:

[(1, 31275321), (3, 10425107), (7, 4467903), (11, 2843211), (21, 1489301), (33, 947737), (77, 406173), (231, 135391)]