27881313

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 40682496

約数和(自身を除く): 12801183

約数列:

[1, 3, 23, 37, 67, 69, 111, 163, 201, 489, 851, 1541, 2479, 2553, 3749, 4623, 6031, 7437, 10921, 11247, 18093, 32763, 57017, 138713, 171051, 251183, 404077, 416139, 753549, 1212231, 9293771, 27881313]

約数ペア:

[(1, 27881313), (3, 9293771), (23, 1212231), (37, 753549), (67, 416139), (69, 404077), (111, 251183), (163, 171051), (201, 138713), (489, 57017), (851, 32763), (1541, 18093), (2479, 11247), (2553, 10921), (3749, 7437), (4623, 6031)]