27971289

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{829}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 42469440

約数和(自身を除く): 14498151

約数列:

[1, 3, 9, 23, 69, 163, 207, 489, 829, 1467, 2487, 3749, 7461, 11247, 19067, 33741, 57201, 135127, 171603, 405381, 1216143, 3107921, 9323763, 27971289]

約数ペア:

[(1, 27971289), (3, 9323763), (9, 3107921), (23, 1216143), (69, 405381), (163, 171603), (207, 135127), (489, 57201), (829, 33741), (1467, 19067), (2487, 11247), (3749, 7461)]