28388157

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43607}}^1$

素因数の和:43648

約数の個数: 16

約数和(自身を含む): 44654592

約数和(自身を除く): 16266435

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 43607, 130821, 305249, 915747, 1351817, 4055451, 9462719, 28388157]

約数ペア:

[(1, 28388157), (3, 9462719), (7, 4055451), (21, 1351817), (31, 915747), (93, 305249), (217, 130821), (651, 43607)]