28898375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{21017}}^1$

素因数の和:21043

約数の個数: 16

約数和(自身を含む): 39345696

約数和(自身を除く): 10447321

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 21017, 105085, 231187, 525425, 1155935, 2627125, 5779675, 28898375]

約数ペア:

[(1, 28898375), (5, 5779675), (11, 2627125), (25, 1155935), (55, 525425), (125, 231187), (275, 105085), (1375, 21017)]