1271036205

素因数分解:

$3^4\times 5^1\times {\mathrm{3138361}}^1$

素因数の和:3138378

約数の個数: 20

約数和(自身を含む): 2278450812

約数和(自身を除く): 1007414607

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3138361, 9415083, 15691805, 28245249, 47075415, 84735747, 141226245, 254207241, 423678735, 1271036205]

約数ペア:

[(1, 1271036205), (3, 423678735), (5, 254207241), (9, 141226245), (15, 84735747), (27, 47075415), (45, 28245249), (81, 15691805), (135, 9415083), (405, 3138361)]