13987389

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 20974464

約数和(自身を除く): 6987075

約数列:

[1, 3, 13, 39, 53, 67, 101, 159, 201, 303, 689, 871, 1313, 2067, 2613, 3551, 3939, 5353, 6767, 10653, 16059, 20301, 46163, 69589, 87971, 138489, 208767, 263913, 358651, 1075953, 4662463, 13987389]

約数ペア:

[(1, 13987389), (3, 4662463), (13, 1075953), (39, 358651), (53, 263913), (67, 208767), (101, 138489), (159, 87971), (201, 69589), (303, 46163), (689, 20301), (871, 16059), (1313, 10653), (2067, 6767), (2613, 5353), (3551, 3939)]