7280287

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 9119616

約数和(自身を除く): 1839329

約数列:

[1, 7, 19, 43, 67, 133, 301, 361, 469, 817, 1273, 2527, 2881, 5719, 8911, 15523, 20167, 24187, 54739, 108661, 169309, 383173, 1040041, 7280287]

約数ペア:

[(1, 7280287), (7, 1040041), (19, 383173), (43, 169309), (67, 108661), (133, 54739), (301, 24187), (361, 20167), (469, 15523), (817, 8911), (1273, 5719), (2527, 2881)]