285021945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25643}}^1$

素因数の和:25686

約数の個数: 48

約数和(自身を含む): 560064960

約数和(自身を除く): 275043015

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 11115, 25643, 76929, 128215, 230787, 333359, 384645, 487217, 1000077, 1153935, 1461651, 1666795, 2436085, 3000231, 4384953, 5000385, 6333821, 7308255, 15001155, 19001463, 21924765, 31669105, 57004389, 95007315, 285021945]

約数ペア:

[(1, 285021945), (3, 95007315), (5, 57004389), (9, 31669105), (13, 21924765), (15, 19001463), (19, 15001155), (39, 7308255), (45, 6333821), (57, 5000385), (65, 4384953), (95, 3000231), (117, 2436085), (171, 1666795), (195, 1461651), (247, 1153935), (285, 1000077), (585, 487217), (741, 384645), (855, 333359), (1235, 230787), (2223, 128215), (3705, 76929), (11115, 25643)]