208536698979

素因数分解:

$3^2\times 7^1\times {\mathrm{107923}}^1\times {\mathrm{30671}}^1$

素因数の和:138607

約数の個数: 24

約数和(自身を含む): 344265472512

約数和(自身を除く): 135728773533

約数列:

[1, 3, 7, 9, 21, 63, 30671, 92013, 107923, 214697, 276039, 323769, 644091, 755461, 971307, 1932273, 2266383, 6799149, 3310106333, 9930318999, 23170744331, 29790956997, 69512232993, 208536698979]

約数ペア:

[(1, 208536698979), (3, 69512232993), (7, 29790956997), (9, 23170744331), (21, 9930318999), (63, 3310106333), (30671, 6799149), (92013, 2266383), (107923, 1932273), (214697, 971307), (276039, 755461), (323769, 644091)]