72816303

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 127096320

約数和(自身を除く): 54280017

約数列:

[1, 3, 7, 19, 21, 29, 31, 49, 57, 87, 93, 133, 147, 203, 217, 399, 551, 589, 609, 651, 841, 899, 931, 1421, 1519, 1653, 1767, 2523, 2697, 2793, 3857, 4123, 4263, 4557, 5887, 6293, 11571, 12369, 15979, 17081, 17661, 18879, 26071, 26999, 28861, 41209, 44051, 47937, 51243, 78213, 80997, 86583, 111853, 119567, 123627, 132153, 182497, 335559, 358701, 495349, 547491, 782971, 836969, 1277479, 1486047, 2348913, 2510907, 3467443, 3832437, 10402329, 24272101, 72816303]

約数ペア:

[(1, 72816303), (3, 24272101), (7, 10402329), (19, 3832437), (21, 3467443), (29, 2510907), (31, 2348913), (49, 1486047), (57, 1277479), (87, 836969), (93, 782971), (133, 547491), (147, 495349), (203, 358701), (217, 335559), (399, 182497), (551, 132153), (589, 123627), (609, 119567), (651, 111853), (841, 86583), (899, 80997), (931, 78213), (1421, 51243), (1519, 47937), (1653, 44051), (1767, 41209), (2523, 28861), (2697, 26999), (2793, 26071), (3857, 18879), (4123, 17661), (4263, 17081), (4557, 15979), (5887, 12369), (6293, 11571)]