28104405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{267661}}^1$

素因数の和:267676

約数の個数: 16

約数和(自身を含む): 51391104

約数和(自身を除く): 23286699

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 267661, 802983, 1338305, 1873627, 4014915, 5620881, 9368135, 28104405]

約数ペア:

[(1, 28104405), (3, 9368135), (5, 5620881), (7, 4014915), (15, 1873627), (21, 1338305), (35, 802983), (105, 267661)]