12987695

素因数分解:

$5^1\times 7^3\times {\mathrm{7573}}^1$

素因数の和:7599

約数の個数: 16

約数和(自身を含む): 18177600

約数和(自身を除く): 5189905

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 7573, 37865, 53011, 265055, 371077, 1855385, 2597539, 12987695]

約数ペア:

[(1, 12987695), (5, 2597539), (7, 1855385), (35, 371077), (49, 265055), (245, 53011), (343, 37865), (1715, 7573)]