15982401

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 23869440

約数和(自身を除く): 7887039

約数列:

[1, 3, 19, 23, 57, 69, 73, 167, 219, 437, 501, 1311, 1387, 1679, 3173, 3841, 4161, 5037, 9519, 11523, 12191, 31901, 36573, 72979, 95703, 218937, 231629, 280393, 694887, 841179, 5327467, 15982401]

約数ペア:

[(1, 15982401), (3, 5327467), (19, 841179), (23, 694887), (57, 280393), (69, 231629), (73, 218937), (167, 95703), (219, 72979), (437, 36573), (501, 31901), (1311, 12191), (1387, 11523), (1679, 9519), (3173, 5037), (3841, 4161)]