28780431

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{5839}}^1$

素因数の和:5926

約数の個数: 16

約数和(自身を含む): 40366080

約数和(自身を除く): 11585649

約数列:

[1, 3, 31, 53, 93, 159, 1643, 4929, 5839, 17517, 181009, 309467, 543027, 928401, 9593477, 28780431]

約数ペア:

[(1, 28780431), (3, 9593477), (31, 928401), (53, 543027), (93, 309467), (159, 181009), (1643, 17517), (4929, 5839)]