81621498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{2741}}^1$

素因数の和:3462

約数の個数: 32

約数和(自身を含む): 186894720

約数和(自身を除く): 105273222

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 709, 1418, 2127, 2741, 4254, 4963, 5482, 8223, 9926, 14889, 16446, 19187, 29778, 38374, 57561, 115122, 1943369, 3886738, 5830107, 11660214, 13603583, 27207166, 40810749, 81621498]

約数ペア:

[(1, 81621498), (2, 40810749), (3, 27207166), (6, 13603583), (7, 11660214), (14, 5830107), (21, 3886738), (42, 1943369), (709, 115122), (1418, 57561), (2127, 38374), (2741, 29778), (4254, 19187), (4963, 16446), (5482, 14889), (8223, 9926)]