320445513

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{487}}^1\times {\mathrm{647}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 468643968

約数和(自身を除く): 148198455

約数列:

[1, 3, 9, 113, 339, 487, 647, 1017, 1461, 1941, 4383, 5823, 55031, 73111, 165093, 219333, 315089, 495279, 657999, 945267, 2835801, 35605057, 106815171, 320445513]

約数ペア:

[(1, 320445513), (3, 106815171), (9, 35605057), (113, 2835801), (339, 945267), (487, 657999), (647, 495279), (1017, 315089), (1461, 219333), (1941, 165093), (4383, 73111), (5823, 55031)]