1289535

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 2358720

約数和(自身を除く): 1069185

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 389, 663, 1105, 1167, 1945, 3315, 5057, 5835, 6613, 15171, 19839, 25285, 33065, 75855, 85969, 99195, 257907, 429845, 1289535]

約数ペア:

[(1, 1289535), (3, 429845), (5, 257907), (13, 99195), (15, 85969), (17, 75855), (39, 33065), (51, 25285), (65, 19839), (85, 15171), (195, 6613), (221, 5835), (255, 5057), (389, 3315), (663, 1945), (1105, 1167)]