20170291701

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{80897}}^1$

素因数の和:81321

約数の個数: 32

約数和(自身を含む): 31810387968

約数和(自身を除く): 11640096267

約数列:

[1, 3, 7, 21, 31, 93, 217, 383, 651, 1149, 2681, 8043, 11873, 35619, 80897, 83111, 242691, 249333, 566279, 1698837, 2507807, 7523421, 17554649, 30983551, 52663947, 92950653, 216884857, 650654571, 960490081, 2881470243, 6723430567, 20170291701]

約数ペア:

[(1, 20170291701), (3, 6723430567), (7, 2881470243), (21, 960490081), (31, 650654571), (93, 216884857), (217, 92950653), (383, 52663947), (651, 30983551), (1149, 17554649), (2681, 7523421), (8043, 2507807), (11873, 1698837), (35619, 566279), (80897, 249333), (83111, 242691)]