208402875

素因数分解:

$3^6\times 5^3\times {\mathrm{2287}}^1$

素因数の和:2320

約数の個数: 56

約数和(自身を含む): 390122304

約数和(自身を除く): 181719429

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 675, 729, 1125, 1215, 2025, 2287, 3375, 3645, 6075, 6861, 10125, 11435, 18225, 20583, 30375, 34305, 57175, 61749, 91125, 102915, 171525, 185247, 285875, 308745, 514575, 555741, 857625, 926235, 1543725, 1667223, 2572875, 2778705, 4631175, 7718625, 8336115, 13893525, 23155875, 41680575, 69467625, 208402875]

約数ペア:

[(1, 208402875), (3, 69467625), (5, 41680575), (9, 23155875), (15, 13893525), (25, 8336115), (27, 7718625), (45, 4631175), (75, 2778705), (81, 2572875), (125, 1667223), (135, 1543725), (225, 926235), (243, 857625), (375, 555741), (405, 514575), (675, 308745), (729, 285875), (1125, 185247), (1215, 171525), (2025, 102915), (2287, 91125), (3375, 61749), (3645, 57175), (6075, 34305), (6861, 30375), (10125, 20583), (11435, 18225)]