1247857137

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{20753}}^1$

素因数の和:20910

約数の個数: 32

約数和(自身を含む): 1972460160

約数和(自身を除く): 724603023

約数列:

[1, 3, 9, 17, 27, 51, 131, 153, 393, 459, 1179, 2227, 3537, 6681, 20043, 20753, 60129, 62259, 186777, 352801, 560331, 1058403, 2718643, 3175209, 8155929, 9525627, 24467787, 46216931, 73403361, 138650793, 415952379, 1247857137]

約数ペア:

[(1, 1247857137), (3, 415952379), (9, 138650793), (17, 73403361), (27, 46216931), (51, 24467787), (131, 9525627), (153, 8155929), (393, 3175209), (459, 2718643), (1179, 1058403), (2227, 560331), (3537, 352801), (6681, 186777), (20043, 62259), (20753, 60129)]