39968955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4019}}^1$

素因数の和:4060

約数の個数: 48

約数和(自身を含む): 79017120

約数和(自身を除く): 39048165

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 4019, 9945, 12057, 20095, 36171, 52247, 60285, 68323, 156741, 180855, 204969, 261235, 341615, 470223, 614907, 783705, 888199, 1024845, 2351115, 2664597, 3074535, 4440995, 7993791, 13322985, 39968955]

約数ペア:

[(1, 39968955), (3, 13322985), (5, 7993791), (9, 4440995), (13, 3074535), (15, 2664597), (17, 2351115), (39, 1024845), (45, 888199), (51, 783705), (65, 614907), (85, 470223), (117, 341615), (153, 261235), (195, 204969), (221, 180855), (255, 156741), (585, 68323), (663, 60285), (765, 52247), (1105, 36171), (1989, 20095), (3315, 12057), (4019, 9945)]