15159991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 19906560

約数和(自身を除く): 4746569

約数列:

[1, 7, 11, 47, 59, 71, 77, 329, 413, 497, 517, 649, 781, 2773, 3337, 3619, 4189, 4543, 5467, 19411, 23359, 29323, 30503, 36707, 46079, 196883, 213521, 256949, 322553, 1378181, 2165713, 15159991]

約数ペア:

[(1, 15159991), (7, 2165713), (11, 1378181), (47, 322553), (59, 256949), (71, 213521), (77, 196883), (329, 46079), (413, 36707), (497, 30503), (517, 29323), (649, 23359), (781, 19411), (2773, 5467), (3337, 4543), (3619, 4189)]