999121137

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1093}}^1$

素因数の和:1230

約数の個数: 64

約数和(自身を含む): 1680384000

約数和(自身を除く): 681262863

約数列:

[1, 3, 7, 19, 21, 29, 57, 79, 87, 133, 203, 237, 399, 551, 553, 609, 1093, 1501, 1653, 1659, 2291, 3279, 3857, 4503, 6873, 7651, 10507, 11571, 16037, 20767, 22953, 31521, 31697, 43529, 48111, 62301, 86347, 95091, 130587, 145369, 221879, 259041, 304703, 436107, 602243, 604429, 665637, 914109, 1640593, 1806729, 1813287, 2504063, 4215701, 4921779, 7512189, 11484151, 12647103, 17528441, 34452453, 47577197, 52585323, 142731591, 333040379, 999121137]

約数ペア:

[(1, 999121137), (3, 333040379), (7, 142731591), (19, 52585323), (21, 47577197), (29, 34452453), (57, 17528441), (79, 12647103), (87, 11484151), (133, 7512189), (203, 4921779), (237, 4215701), (399, 2504063), (551, 1813287), (553, 1806729), (609, 1640593), (1093, 914109), (1501, 665637), (1653, 604429), (1659, 602243), (2291, 436107), (3279, 304703), (3857, 259041), (4503, 221879), (6873, 145369), (7651, 130587), (10507, 95091), (11571, 86347), (16037, 62301), (20767, 48111), (22953, 43529), (31521, 31697)]