90868275

素因数分解:

$3^2\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1609}}^1$

素因数の和:1876

約数の個数: 36

約数和(自身を含む): 163505160

約数和(自身を除く): 72636885

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 251, 753, 1255, 1609, 2259, 3765, 4827, 6275, 8045, 11295, 14481, 18825, 24135, 40225, 56475, 72405, 120675, 362025, 403859, 1211577, 2019295, 3634731, 6057885, 10096475, 18173655, 30289425, 90868275]

約数ペア:

[(1, 90868275), (3, 30289425), (5, 18173655), (9, 10096475), (15, 6057885), (25, 3634731), (45, 2019295), (75, 1211577), (225, 403859), (251, 362025), (753, 120675), (1255, 72405), (1609, 56475), (2259, 40225), (3765, 24135), (4827, 18825), (6275, 14481), (8045, 11295)]