28540533

素因数分解:

$3^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{2239}}^1$

素因数の和:2856

約数の個数: 16

約数和(自身を含む): 43581440

約数和(自身を除く): 15040907

約数列:

[1, 3, 7, 21, 607, 1821, 2239, 4249, 6717, 12747, 15673, 47019, 1359073, 4077219, 9513511, 28540533]

約数ペア:

[(1, 28540533), (3, 9513511), (7, 4077219), (21, 1359073), (607, 47019), (1821, 15673), (2239, 12747), (4249, 6717)]