123643791

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 197683200

約数和(自身を除く): 74039409

約数列:

[1, 3, 9, 23, 29, 43, 69, 87, 129, 207, 261, 387, 479, 667, 989, 1247, 1437, 2001, 2967, 3741, 4311, 6003, 8901, 11017, 11223, 13891, 20597, 28681, 33051, 41673, 61791, 86043, 99153, 125019, 185373, 258129, 319493, 473731, 597313, 958479, 1421193, 1791939, 2875437, 4263579, 5375817, 13738199, 41214597, 123643791]

約数ペア:

[(1, 123643791), (3, 41214597), (9, 13738199), (23, 5375817), (29, 4263579), (43, 2875437), (69, 1791939), (87, 1421193), (129, 958479), (207, 597313), (261, 473731), (387, 319493), (479, 258129), (667, 185373), (989, 125019), (1247, 99153), (1437, 86043), (2001, 61791), (2967, 41673), (3741, 33051), (4311, 28681), (6003, 20597), (8901, 13891), (11017, 11223)]