7987998.00000000

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 103940928

約数和(自身を除く): 49073193

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 355, 585, 639, 923, 1065, 1321, 2769, 3195, 3963, 4615, 6605, 8307, 11889, 13845, 17173, 19815, 41535, 51519, 59445, 85865, 93791, 154557, 257595, 281373, 468955, 772785, 844119, 1219283, 1406865, 3657849, 4220595, 6096415, 10973547, 18289245, 54867735]

約数ペア:

[(1, 54867735), (3, 18289245), (5, 10973547), (9, 6096415), (13, 4220595), (15, 3657849), (39, 1406865), (45, 1219283), (65, 844119), (71, 772785), (117, 468955), (195, 281373), (213, 257595), (355, 154557), (585, 93791), (639, 85865), (923, 59445), (1065, 51519), (1321, 41535), (2769, 19815), (3195, 17173), (3963, 13845), (4615, 11889), (6605, 8307)]