28003779

素因数分解:

$3^3\times {\mathrm{41}}^2\times {\mathrm{617}}^1$

素因数の和:708

約数の個数: 24

約数和(自身を含む): 42592560

約数和(自身を除く): 14588781

約数列:

[1, 3, 9, 27, 41, 123, 369, 617, 1107, 1681, 1851, 5043, 5553, 15129, 16659, 25297, 45387, 75891, 227673, 683019, 1037177, 3111531, 9334593, 28003779]

約数ペア:

[(1, 28003779), (3, 9334593), (9, 3111531), (27, 1037177), (41, 683019), (123, 227673), (369, 75891), (617, 45387), (1107, 25297), (1681, 16659), (1851, 15129), (5043, 5553)]