7827981

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{853}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 13117440

約数和(自身を除く): 5289459

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 853, 1311, 2559, 3059, 5971, 9177, 16207, 17913, 19619, 48621, 58857, 113449, 137333, 340347, 372761, 411999, 1118283, 2609327, 7827981]

約数ペア:

[(1, 7827981), (3, 2609327), (7, 1118283), (19, 411999), (21, 372761), (23, 340347), (57, 137333), (69, 113449), (133, 58857), (161, 48621), (399, 19619), (437, 17913), (483, 16207), (853, 9177), (1311, 5971), (2559, 3059)]