16402725

素因数分解:

$3^2\times 5^2\times {\mathrm{72901}}^1$

素因数の和:72917

約数の個数: 18

約数和(自身を含む): 29379506

約数和(自身を除く): 12976781

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 72901, 218703, 364505, 656109, 1093515, 1822525, 3280545, 5467575, 16402725]

約数ペア:

[(1, 16402725), (3, 5467575), (5, 3280545), (9, 1822525), (15, 1093515), (25, 656109), (45, 364505), (75, 218703), (225, 72901)]