211755951

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5527}}^1$

素因数の和:5593

約数の個数: 40

約数和(自身を含む): 353172864

約数和(自身を除く): 141416913

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 99, 129, 297, 387, 473, 891, 1161, 1419, 3483, 4257, 5527, 12771, 16581, 38313, 49743, 60797, 149229, 182391, 237661, 447687, 547173, 712983, 1641519, 2138949, 2614271, 4924557, 6416847, 7842813, 19250541, 23528439, 70585317, 211755951]

約数ペア:

[(1, 211755951), (3, 70585317), (9, 23528439), (11, 19250541), (27, 7842813), (33, 6416847), (43, 4924557), (81, 2614271), (99, 2138949), (129, 1641519), (297, 712983), (387, 547173), (473, 447687), (891, 237661), (1161, 182391), (1419, 149229), (3483, 60797), (4257, 49743), (5527, 38313), (12771, 16581)]