172867725

素因数分解:

$3^2\times 5^2\times {\mathrm{768301}}^1$

素因数の和:768317

約数の個数: 18

約数和(自身を含む): 309625706

約数和(自身を除く): 136757981

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 768301, 2304903, 3841505, 6914709, 11524515, 19207525, 34573545, 57622575, 172867725]

約数ペア:

[(1, 172867725), (3, 57622575), (5, 34573545), (9, 19207525), (15, 11524515), (25, 6914709), (45, 3841505), (75, 2304903), (225, 768301)]