1380375

素因数分解:

$3^3\times 5^3\times {\mathrm{409}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 2558400

約数和(自身を除く): 1178025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 409, 675, 1125, 1227, 2045, 3375, 3681, 6135, 10225, 11043, 18405, 30675, 51125, 55215, 92025, 153375, 276075, 460125, 1380375]

約数ペア:

[(1, 1380375), (3, 460125), (5, 276075), (9, 153375), (15, 92025), (25, 55215), (27, 51125), (45, 30675), (75, 18405), (125, 11043), (135, 10225), (225, 6135), (375, 3681), (409, 3375), (675, 2045), (1125, 1227)]