1280491695

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{21283}}^1$

素因数の和:21492

約数の個数: 48

約数和(自身を含む): 2549993472

約数和(自身を除く): 1269501777

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 191, 315, 573, 955, 1337, 1719, 2865, 4011, 6685, 8595, 12033, 20055, 21283, 60165, 63849, 106415, 148981, 191547, 319245, 446943, 744905, 957735, 1340829, 2234715, 4065053, 6704145, 12195159, 20325265, 28455371, 36585477, 60975795, 85366113, 142276855, 182927385, 256098339, 426830565, 1280491695]

約数ペア:

[(1, 1280491695), (3, 426830565), (5, 256098339), (7, 182927385), (9, 142276855), (15, 85366113), (21, 60975795), (35, 36585477), (45, 28455371), (63, 20325265), (105, 12195159), (191, 6704145), (315, 4065053), (573, 2234715), (955, 1340829), (1337, 957735), (1719, 744905), (2865, 446943), (4011, 319245), (6685, 191547), (8595, 148981), (12033, 106415), (20055, 63849), (21283, 60165)]