42123705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 78236928

約数和(自身を除く): 36113223

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 97, 131, 195, 221, 255, 291, 393, 485, 655, 663, 1105, 1261, 1455, 1649, 1703, 1965, 2227, 3315, 3783, 4947, 5109, 6305, 6681, 8245, 8515, 11135, 12707, 18915, 21437, 24735, 25545, 28951, 33405, 38121, 63535, 64311, 86853, 107185, 144755, 165191, 190605, 216019, 321555, 434265, 495573, 648057, 825955, 1080095, 2477865, 2808247, 3240285, 8424741, 14041235, 42123705]

約数ペア:

[(1, 42123705), (3, 14041235), (5, 8424741), (13, 3240285), (15, 2808247), (17, 2477865), (39, 1080095), (51, 825955), (65, 648057), (85, 495573), (97, 434265), (131, 321555), (195, 216019), (221, 190605), (255, 165191), (291, 144755), (393, 107185), (485, 86853), (655, 64311), (663, 63535), (1105, 38121), (1261, 33405), (1455, 28951), (1649, 25545), (1703, 24735), (1965, 21437), (2227, 18915), (3315, 12707), (3783, 11135), (4947, 8515), (5109, 8245), (6305, 6681)]