15239991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 22825152

約数和(自身を除く): 7585161

約数列:

[1, 3, 13, 39, 53, 73, 101, 159, 219, 303, 689, 949, 1313, 2067, 2847, 3869, 3939, 5353, 7373, 11607, 16059, 22119, 50297, 69589, 95849, 150891, 208767, 287547, 390769, 1172307, 5079997, 15239991]

約数ペア:

[(1, 15239991), (3, 5079997), (13, 1172307), (39, 390769), (53, 287547), (73, 208767), (101, 150891), (159, 95849), (219, 69589), (303, 50297), (689, 22119), (949, 16059), (1313, 11607), (2067, 7373), (2847, 5353), (3869, 3939)]