13451389

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 17233920

約数和(自身を除く): 3782531

約数列:

[1, 7, 23, 29, 43, 67, 161, 203, 301, 469, 667, 989, 1247, 1541, 1943, 2881, 4669, 6923, 8729, 10787, 13601, 20167, 28681, 44689, 66263, 83549, 200767, 312823, 463841, 584843, 1921627, 13451389]

約数ペア:

[(1, 13451389), (7, 1921627), (23, 584843), (29, 463841), (43, 312823), (67, 200767), (161, 83549), (203, 66263), (301, 44689), (469, 28681), (667, 20167), (989, 13601), (1247, 10787), (1541, 8729), (1943, 6923), (2881, 4669)]