1683225

素因数分解:

$3^2\times 5^2\times {\mathrm{7481}}^1$

素因数の和:7497

約数の個数: 18

約数和(自身を含む): 3015246

約数和(自身を除く): 1332021

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 7481, 22443, 37405, 67329, 112215, 187025, 336645, 561075, 1683225]

約数ペア:

[(1, 1683225), (3, 561075), (5, 336645), (9, 187025), (15, 112215), (25, 67329), (45, 37405), (75, 22443), (225, 7481)]