212319711

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:613

約数の個数: 40

約数和(自身を含む): 326427024

約数和(自身を除く): 114107313

約数列:

[1, 3, 9, 27, 61, 81, 97, 183, 291, 443, 549, 873, 1329, 1647, 2619, 3987, 4941, 5917, 7857, 11961, 17751, 27023, 35883, 42971, 53253, 81069, 128913, 159759, 243207, 386739, 479277, 729621, 1160217, 2188863, 2621231, 3480651, 7863693, 23591079, 70773237, 212319711]

約数ペア:

[(1, 212319711), (3, 70773237), (9, 23591079), (27, 7863693), (61, 3480651), (81, 2621231), (97, 2188863), (183, 1160217), (291, 729621), (443, 479277), (549, 386739), (873, 243207), (1329, 159759), (1647, 128913), (2619, 81069), (3987, 53253), (4941, 42971), (5917, 35883), (7857, 27023), (11961, 17751)]