28753197

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 44706816

約数和(自身を除く): 15953619

約数列:

[1, 3, 11, 23, 33, 43, 69, 129, 253, 473, 759, 881, 989, 1419, 2643, 2967, 9691, 10879, 20263, 29073, 32637, 37883, 60789, 113649, 222893, 416713, 668679, 871309, 1250139, 2613927, 9584399, 28753197]

約数ペア:

[(1, 28753197), (3, 9584399), (11, 2613927), (23, 1250139), (33, 871309), (43, 668679), (69, 416713), (129, 222893), (253, 113649), (473, 60789), (759, 37883), (881, 32637), (989, 29073), (1419, 20263), (2643, 10879), (2967, 9691)]