278692479

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{5167}}^1$

素因数の和:5647

約数の個数: 24

約数和(自身を含む): 434546112

約数和(自身を除く): 155853633

約数列:

[1, 3, 9, 13, 39, 117, 461, 1383, 4149, 5167, 5993, 15501, 17979, 46503, 53937, 67171, 201513, 604539, 2381987, 7145961, 21437883, 30965831, 92897493, 278692479]

約数ペア:

[(1, 278692479), (3, 92897493), (9, 30965831), (13, 21437883), (39, 7145961), (117, 2381987), (461, 604539), (1383, 201513), (4149, 67171), (5167, 53937), (5993, 46503), (15501, 17979)]