308403987

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1613}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 457394688

約数和(自身を除く): 148990701

約数列:

[1, 3, 17, 23, 51, 69, 163, 391, 489, 1173, 1613, 2771, 3749, 4839, 8313, 11247, 27421, 37099, 63733, 82263, 111297, 191199, 262919, 630683, 788757, 1892049, 4469623, 6047137, 13408869, 18141411, 102801329, 308403987]

約数ペア:

[(1, 308403987), (3, 102801329), (17, 18141411), (23, 13408869), (51, 6047137), (69, 4469623), (163, 1892049), (391, 788757), (489, 630683), (1173, 262919), (1613, 191199), (2771, 111297), (3749, 82263), (4839, 63733), (8313, 37099), (11247, 27421)]