215091519

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{5107}}^1$

素因数の和:5350

約数の個数: 16

約数和(自身を含む): 291768960

約数和(自身を除く): 76677441

約数列:

[1, 3, 101, 139, 303, 417, 5107, 14039, 15321, 42117, 515807, 709873, 1547421, 2129619, 71697173, 215091519]

約数ペア:

[(1, 215091519), (3, 71697173), (101, 2129619), (139, 1547421), (303, 709873), (417, 515807), (5107, 42117), (14039, 15321)]