28112205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{491}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 49310208

約数和(自身を除く): 21198003

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 347, 491, 1041, 1473, 1735, 2455, 3817, 5205, 5401, 7365, 11451, 16203, 19085, 27005, 57255, 81015, 170377, 511131, 851885, 1874147, 2555655, 5622441, 9370735, 28112205]

約数ペア:

[(1, 28112205), (3, 9370735), (5, 5622441), (11, 2555655), (15, 1874147), (33, 851885), (55, 511131), (165, 170377), (347, 81015), (491, 57255), (1041, 27005), (1473, 19085), (1735, 16203), (2455, 11451), (3817, 7365), (5205, 5401)]