28716513

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25801}}^1$

素因数の和:25864

約数の個数: 16

約数和(自身を含む): 44585856

約数和(自身を除く): 15869343

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 25801, 77403, 180607, 541821, 1367453, 4102359, 9572171, 28716513]

約数ペア:

[(1, 28716513), (3, 9572171), (7, 4102359), (21, 1367453), (53, 541821), (159, 180607), (371, 77403), (1113, 25801)]