831407409

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{857}}^1$

素因数の和:964

約数の個数: 80

約数和(自身を含む): 1494979200

約数和(自身を除く): 663571791

約数列:

[1, 3, 7, 9, 21, 27, 29, 59, 63, 81, 87, 177, 189, 203, 261, 413, 531, 567, 609, 783, 857, 1239, 1593, 1711, 1827, 2349, 2571, 3717, 4779, 5133, 5481, 5999, 7713, 11151, 11977, 15399, 16443, 17997, 23139, 24853, 33453, 35931, 46197, 50563, 53991, 69417, 74559, 107793, 138591, 151689, 161973, 173971, 223677, 323379, 353941, 455067, 485919, 521913, 671031, 970137, 1061823, 1365201, 1466327, 1565739, 2013093, 3185469, 4095603, 4398981, 4697217, 9556407, 10264289, 13196943, 14091651, 28669221, 30792867, 39590829, 92378601, 118772487, 277135803, 831407409]

約数ペア:

[(1, 831407409), (3, 277135803), (7, 118772487), (9, 92378601), (21, 39590829), (27, 30792867), (29, 28669221), (59, 14091651), (63, 13196943), (81, 10264289), (87, 9556407), (177, 4697217), (189, 4398981), (203, 4095603), (261, 3185469), (413, 2013093), (531, 1565739), (567, 1466327), (609, 1365201), (783, 1061823), (857, 970137), (1239, 671031), (1593, 521913), (1711, 485919), (1827, 455067), (2349, 353941), (2571, 323379), (3717, 223677), (4779, 173971), (5133, 161973), (5481, 151689), (5999, 138591), (7713, 107793), (11151, 74559), (11977, 69417), (15399, 53991), (16443, 50563), (17997, 46197), (23139, 35931), (24853, 33453)]