13430879

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 17147424

約数和(自身を除く): 3716545

約数列:

[1, 7, 11, 77, 101, 121, 157, 707, 847, 1099, 1111, 1727, 7777, 12089, 12221, 15857, 18997, 85547, 110999, 132979, 174427, 1220989, 1918697, 13430879]

約数ペア:

[(1, 13430879), (7, 1918697), (11, 1220989), (77, 174427), (101, 132979), (121, 110999), (157, 85547), (707, 18997), (847, 15857), (1099, 12221), (1111, 12089), (1727, 7777)]