1311465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 2298240

約数和(自身を除く): 986775

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 139, 185, 255, 417, 555, 629, 695, 1887, 2085, 2363, 3145, 5143, 7089, 9435, 11815, 15429, 25715, 35445, 77145, 87431, 262293, 437155, 1311465]

約数ペア:

[(1, 1311465), (3, 437155), (5, 262293), (15, 87431), (17, 77145), (37, 35445), (51, 25715), (85, 15429), (111, 11815), (139, 9435), (185, 7089), (255, 5143), (417, 3145), (555, 2363), (629, 2085), (695, 1887)]