28710801

素因数分解:

$3^3\times 7^1\times {\mathrm{151909}}^1$

素因数の和:151925

約数の個数: 16

約数和(自身を含む): 48611200

約数和(自身を除く): 19900399

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 151909, 455727, 1063363, 1367181, 3190089, 4101543, 9570267, 28710801]

約数ペア:

[(1, 28710801), (3, 9570267), (7, 4101543), (9, 3190089), (21, 1367181), (27, 1063363), (63, 455727), (189, 151909)]