1287756315

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{2179}}^1$

素因数の和:2784

約数の個数: 48

約数和(自身を含む): 2334309120

約数和(自身を除く): 1046552805

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 571, 1035, 1713, 2179, 2855, 5139, 6537, 8565, 10895, 13133, 19611, 25695, 32685, 39399, 50117, 65665, 98055, 118197, 150351, 196995, 250585, 451053, 590985, 751755, 1244209, 2255265, 3732627, 6221045, 11197881, 18663135, 28616807, 55989405, 85850421, 143084035, 257551263, 429252105, 1287756315]

約数ペア:

[(1, 1287756315), (3, 429252105), (5, 257551263), (9, 143084035), (15, 85850421), (23, 55989405), (45, 28616807), (69, 18663135), (115, 11197881), (207, 6221045), (345, 3732627), (571, 2255265), (1035, 1244209), (1713, 751755), (2179, 590985), (2855, 451053), (5139, 250585), (6537, 196995), (8565, 150351), (10895, 118197), (13133, 98055), (19611, 65665), (25695, 50117), (32685, 39399)]