28892875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{21013}}^1$

素因数の和:21039

約数の個数: 16

約数和(自身を含む): 39338208

約数和(自身を除く): 10445333

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 21013, 105065, 231143, 525325, 1155715, 2626625, 5778575, 28892875]

約数ペア:

[(1, 28892875), (5, 5778575), (11, 2626625), (25, 1155715), (55, 525325), (125, 231143), (275, 105065), (1375, 21013)]