201951225

素因数分解:

$3^6\times 5^2\times 7^1\times {\mathrm{1583}}^1$

素因数の和:1618

約数の個数: 84

約数和(自身を含む): 429365376

約数和(自身を除く): 227414151

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 243, 315, 405, 525, 567, 675, 729, 945, 1215, 1575, 1583, 1701, 2025, 2835, 3645, 4725, 4749, 5103, 6075, 7915, 8505, 11081, 14175, 14247, 18225, 23745, 25515, 33243, 39575, 42525, 42741, 55405, 71235, 99729, 118725, 127575, 128223, 166215, 213705, 277025, 299187, 356175, 384669, 498645, 641115, 831075, 897561, 1068525, 1154007, 1495935, 1923345, 2493225, 2692683, 3205575, 4487805, 5770035, 7479675, 8078049, 9616725, 13463415, 22439025, 28850175, 40390245, 67317075, 201951225]

約数ペア:

[(1, 201951225), (3, 67317075), (5, 40390245), (7, 28850175), (9, 22439025), (15, 13463415), (21, 9616725), (25, 8078049), (27, 7479675), (35, 5770035), (45, 4487805), (63, 3205575), (75, 2692683), (81, 2493225), (105, 1923345), (135, 1495935), (175, 1154007), (189, 1068525), (225, 897561), (243, 831075), (315, 641115), (405, 498645), (525, 384669), (567, 356175), (675, 299187), (729, 277025), (945, 213705), (1215, 166215), (1575, 128223), (1583, 127575), (1701, 118725), (2025, 99729), (2835, 71235), (3645, 55405), (4725, 42741), (4749, 42525), (5103, 39575), (6075, 33243), (7915, 25515), (8505, 23745), (11081, 18225), (14175, 14247)]