212898225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{166979}}^1$

素因数の和:167009

約数の個数: 24

約数和(自身を含む): 372699360

約数和(自身を除く): 159801135

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 166979, 500937, 834895, 2504685, 2838643, 4174475, 8515929, 12523425, 14193215, 42579645, 70966075, 212898225]

約数ペア:

[(1, 212898225), (3, 70966075), (5, 42579645), (15, 14193215), (17, 12523425), (25, 8515929), (51, 4174475), (75, 2838643), (85, 2504685), (255, 834895), (425, 500937), (1275, 166979)]