204769215

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{72229}}^1$

素因数の和:72253

約数の個数: 40

約数和(自身を含む): 419511840

約数和(自身を除く): 214742625

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 72229, 216687, 361145, 505603, 650061, 1083435, 1516809, 1950183, 2528015, 3250305, 4550427, 5850549, 7584045, 9750915, 13651281, 22752135, 29252745, 40953843, 68256405, 204769215]

約数ペア:

[(1, 204769215), (3, 68256405), (5, 40953843), (7, 29252745), (9, 22752135), (15, 13651281), (21, 9750915), (27, 7584045), (35, 5850549), (45, 4550427), (63, 3250305), (81, 2528015), (105, 1950183), (135, 1516809), (189, 1083435), (315, 650061), (405, 505603), (567, 361145), (945, 216687), (2835, 72229)]