1808960013

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1\times {\mathrm{431}}^1$

素因数の和:919

約数の個数: 64

約数和(自身を含む): 3135283200

約数和(自身を除く): 1326323187

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 419, 431, 477, 1113, 1257, 1293, 1431, 2933, 3017, 3339, 3771, 3879, 8799, 9051, 10017, 11313, 11637, 22207, 22843, 26397, 27153, 66621, 68529, 79191, 81459, 155449, 159901, 180589, 199863, 205587, 466347, 479703, 541767, 599589, 616761, 1264123, 1399041, 1439109, 1625301, 3792369, 4197123, 4317327, 4875903, 9571217, 11377107, 28713651, 34131321, 66998519, 86140953, 200995557, 258422859, 602986671, 1808960013]

約数ペア:

[(1, 1808960013), (3, 602986671), (7, 258422859), (9, 200995557), (21, 86140953), (27, 66998519), (53, 34131321), (63, 28713651), (159, 11377107), (189, 9571217), (371, 4875903), (419, 4317327), (431, 4197123), (477, 3792369), (1113, 1625301), (1257, 1439109), (1293, 1399041), (1431, 1264123), (2933, 616761), (3017, 599589), (3339, 541767), (3771, 479703), (3879, 466347), (8799, 205587), (9051, 199863), (10017, 180589), (11313, 159901), (11637, 155449), (22207, 81459), (22843, 79191), (26397, 68529), (27153, 66621)]