8739990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13873}}^1$

素因数の和:13893

約数の個数: 48

約数和(自身を含む): 25972128

約数和(自身を除く): 17232138

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 13873, 27746, 41619, 69365, 83238, 97111, 124857, 138730, 194222, 208095, 249714, 291333, 416190, 485555, 582666, 624285, 873999, 971110, 1248570, 1456665, 1747998, 2913330, 4369995, 8739990]

約数ペア:

[(1, 8739990), (2, 4369995), (3, 2913330), (5, 1747998), (6, 1456665), (7, 1248570), (9, 971110), (10, 873999), (14, 624285), (15, 582666), (18, 485555), (21, 416190), (30, 291333), (35, 249714), (42, 208095), (45, 194222), (63, 138730), (70, 124857), (90, 97111), (105, 83238), (126, 69365), (210, 41619), (315, 27746), (630, 13873)]