82881225

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{1949}}^1$

素因数の和:1981

約数の個数: 72

約数和(自身を含む): 176030400

約数和(自身を除く): 93149175

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, 945, 1215, 1575, 1701, 1949, 2025, 2835, 4725, 5847, 6075, 8505, 9745, 13643, 14175, 17541, 29235, 40929, 42525, 48725, 52623, 68215, 87705, 122787, 146175, 157869, 204645, 263115, 341075, 368361, 438525, 473607, 613935, 789345, 1023225, 1105083, 1315575, 1841805, 2368035, 3069675, 3315249, 3946725, 5525415, 9209025, 11840175, 16576245, 27627075, 82881225]

約数ペア:

[(1, 82881225), (3, 27627075), (5, 16576245), (7, 11840175), (9, 9209025), (15, 5525415), (21, 3946725), (25, 3315249), (27, 3069675), (35, 2368035), (45, 1841805), (63, 1315575), (75, 1105083), (81, 1023225), (105, 789345), (135, 613935), (175, 473607), (189, 438525), (225, 368361), (243, 341075), (315, 263115), (405, 204645), (525, 157869), (567, 146175), (675, 122787), (945, 87705), (1215, 68215), (1575, 52623), (1701, 48725), (1949, 42525), (2025, 40929), (2835, 29235), (4725, 17541), (5847, 14175), (6075, 13643), (8505, 9745)]