13271937

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 23347200

約数和(自身を除く): 10075263

約数列:

[1, 3, 7, 19, 21, 29, 31, 37, 57, 87, 93, 111, 133, 203, 217, 259, 399, 551, 589, 609, 651, 703, 777, 899, 1073, 1147, 1653, 1767, 2109, 2697, 3219, 3441, 3857, 4123, 4921, 6293, 7511, 8029, 11571, 12369, 14763, 17081, 18879, 20387, 21793, 22533, 24087, 33263, 51243, 61161, 65379, 99789, 119567, 142709, 152551, 232841, 358701, 428127, 457653, 631997, 698523, 1895991, 4423979, 13271937]

約数ペア:

[(1, 13271937), (3, 4423979), (7, 1895991), (19, 698523), (21, 631997), (29, 457653), (31, 428127), (37, 358701), (57, 232841), (87, 152551), (93, 142709), (111, 119567), (133, 99789), (203, 65379), (217, 61161), (259, 51243), (399, 33263), (551, 24087), (589, 22533), (609, 21793), (651, 20387), (703, 18879), (777, 17081), (899, 14763), (1073, 12369), (1147, 11571), (1653, 8029), (1767, 7511), (2109, 6293), (2697, 4921), (3219, 4123), (3441, 3857)]