28160013

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25301}}^1$

素因数の和:25364

約数の個数: 16

約数和(自身を含む): 43721856

約数和(自身を除く): 15561843

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 25301, 75903, 177107, 531321, 1340953, 4022859, 9386671, 28160013]

約数ペア:

[(1, 28160013), (3, 9386671), (7, 4022859), (21, 1340953), (53, 531321), (159, 177107), (371, 75903), (1113, 25301)]