161018991

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2843}}^1$

素因数の和:2916

約数の個数: 48

約数和(自身を含む): 283944960

約数和(自身を除く): 122925969

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 203, 217, 261, 279, 609, 651, 899, 1827, 1953, 2697, 2843, 6293, 8091, 8529, 18879, 19901, 25587, 56637, 59703, 82447, 88133, 179109, 247341, 264399, 577129, 616931, 742023, 793197, 1731387, 1850793, 2555857, 5194161, 5552379, 7667571, 17890999, 23002713, 53672997, 161018991]

約数ペア:

[(1, 161018991), (3, 53672997), (7, 23002713), (9, 17890999), (21, 7667571), (29, 5552379), (31, 5194161), (63, 2555857), (87, 1850793), (93, 1731387), (203, 793197), (217, 742023), (261, 616931), (279, 577129), (609, 264399), (651, 247341), (899, 179109), (1827, 88133), (1953, 82447), (2697, 59703), (2843, 56637), (6293, 25587), (8091, 19901), (8529, 18879)]