1280565

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 2620800

約数和(自身を除く): 1340235

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 199, 429, 495, 585, 597, 715, 995, 1287, 1791, 2145, 2189, 2587, 2985, 6435, 6567, 7761, 8955, 10945, 12935, 19701, 23283, 28457, 32835, 38805, 85371, 98505, 116415, 142285, 256113, 426855, 1280565]

約数ペア:

[(1, 1280565), (3, 426855), (5, 256113), (9, 142285), (11, 116415), (13, 98505), (15, 85371), (33, 38805), (39, 32835), (45, 28457), (55, 23283), (65, 19701), (99, 12935), (117, 10945), (143, 8955), (165, 7761), (195, 6567), (199, 6435), (429, 2985), (495, 2587), (585, 2189), (597, 2145), (715, 1791), (995, 1287)]