19985427

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9613}}^1$

素因数の和:9640

約数の個数: 32

約数和(自身を含む): 36917760

約数和(自身を除く): 16932333

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 9613, 28839, 67291, 86517, 105743, 201873, 259551, 317229, 605619, 740201, 951687, 1816857, 2220603, 2855061, 6661809, 19985427]

約数ペア:

[(1, 19985427), (3, 6661809), (7, 2855061), (9, 2220603), (11, 1816857), (21, 951687), (27, 740201), (33, 605619), (63, 317229), (77, 259551), (99, 201873), (189, 105743), (231, 86517), (297, 67291), (693, 28839), (2079, 9613)]