1387289025

素因数分解:

$3^4\times 5^2\times {\mathrm{685081}}^1$

素因数の和:685103

約数の個数: 30

約数和(自身を含む): 2569742582

約数和(自身を除く): 1182453557

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 685081, 2055243, 3425405, 6165729, 10276215, 17127025, 18497187, 30828645, 51381075, 55491561, 92485935, 154143225, 277457805, 462429675, 1387289025]

約数ペア:

[(1, 1387289025), (3, 462429675), (5, 277457805), (9, 154143225), (15, 92485935), (25, 55491561), (27, 51381075), (45, 30828645), (75, 18497187), (81, 17127025), (135, 10276215), (225, 6165729), (405, 3425405), (675, 2055243), (2025, 685081)]