1213231789

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 1535162112

約数和(自身を除く): 321930323

約数列:

[1, 7, 11, 77, 121, 197, 661, 847, 1331, 1379, 2167, 4627, 7271, 9317, 15169, 23837, 50897, 79981, 130217, 166859, 262207, 559867, 879791, 911519, 1432387, 1835449, 6158537, 10026709, 15756257, 110293799, 173318827, 1213231789]

約数ペア:

[(1, 1213231789), (7, 173318827), (11, 110293799), (77, 15756257), (121, 10026709), (197, 6158537), (661, 1835449), (847, 1432387), (1331, 911519), (1379, 879791), (2167, 559867), (4627, 262207), (7271, 166859), (9317, 130217), (15169, 79981), (23837, 50897)]