42197309

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{28843}}^1$

素因数の和:28880

約数の個数: 16

約数和(自身を含む): 55380480

約数和(自身を除く): 13183171

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 28843, 201901, 317273, 548017, 2220911, 3836119, 6028187, 42197309]

約数ペア:

[(1, 42197309), (7, 6028187), (11, 3836119), (19, 2220911), (77, 548017), (133, 317273), (209, 201901), (1463, 28843)]