201217725

素因数分解:

$3^2\times 5^2\times {\mathrm{894301}}^1$

素因数の和:894317

約数の個数: 18

約数和(自身を含む): 360403706

約数和(自身を除く): 159185981

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 894301, 2682903, 4471505, 8048709, 13414515, 22357525, 40243545, 67072575, 201217725]

約数ペア:

[(1, 201217725), (3, 67072575), (5, 40243545), (9, 22357525), (15, 13414515), (25, 8048709), (45, 4471505), (75, 2682903), (225, 894301)]