81566982

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{647357}}^1$

素因数の和:647372

約数の個数: 24

約数和(自身を含む): 201975696

約数和(自身を除く): 120408714

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 647357, 1294714, 1942071, 3884142, 4531499, 5826213, 9062998, 11652426, 13594497, 27188994, 40783491, 81566982]

約数ペア:

[(1, 81566982), (2, 40783491), (3, 27188994), (6, 13594497), (7, 11652426), (9, 9062998), (14, 5826213), (18, 4531499), (21, 3884142), (42, 1942071), (63, 1294714), (126, 647357)]