42399847

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 51597312

約数和(自身を除く): 9197465

約数列:

[1, 7, 31, 49, 103, 217, 271, 721, 1519, 1897, 3193, 5047, 8401, 13279, 22351, 27913, 58807, 156457, 195391, 411649, 865303, 1367737, 6057121, 42399847]

約数ペア:

[(1, 42399847), (7, 6057121), (31, 1367737), (49, 865303), (103, 411649), (217, 195391), (271, 156457), (721, 58807), (1519, 27913), (1897, 22351), (3193, 13279), (5047, 8401)]