1971296025

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{906343}}^1$

素因数の和:906385

約数の個数: 24

約数和(自身を含む): 3371599680

約数和(自身を除く): 1400303655

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 906343, 2719029, 4531715, 13595145, 22658575, 26283947, 67975725, 78851841, 131419735, 394259205, 657098675, 1971296025]

約数ペア:

[(1, 1971296025), (3, 657098675), (5, 394259205), (15, 131419735), (25, 78851841), (29, 67975725), (75, 26283947), (87, 22658575), (145, 13595145), (435, 4531715), (725, 2719029), (2175, 906343)]