28871775

素因数分解:

$3^3\times 5^2\times {\mathrm{42773}}^1$

素因数の和:42792

約数の個数: 24

約数和(自身を含む): 53039760

約数和(自身を除く): 24167985

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 42773, 128319, 213865, 384957, 641595, 1069325, 1154871, 1924785, 3207975, 5774355, 9623925, 28871775]

約数ペア:

[(1, 28871775), (3, 9623925), (5, 5774355), (9, 3207975), (15, 1924785), (25, 1154871), (27, 1069325), (45, 641595), (75, 384957), (135, 213865), (225, 128319), (675, 42773)]