28115703

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 24300297

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 609, 693, 957, 1399, 1827, 2233, 2871, 4197, 6699, 9793, 12591, 15389, 20097, 29379, 40571, 46167, 88137, 107723, 121713, 138501, 283997, 323169, 365139, 446281, 851991, 969507, 1338843, 2555973, 3123967, 4016529, 9371901, 28115703]

約数ペア:

[(1, 28115703), (3, 9371901), (7, 4016529), (9, 3123967), (11, 2555973), (21, 1338843), (29, 969507), (33, 851991), (63, 446281), (77, 365139), (87, 323169), (99, 283997), (203, 138501), (231, 121713), (261, 107723), (319, 88137), (609, 46167), (693, 40571), (957, 29379), (1399, 20097), (1827, 15389), (2233, 12591), (2871, 9793), (4197, 6699)]