15163805

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 19897344

約数和(自身を除く): 4733539

約数列:

[1, 5, 19, 31, 95, 155, 271, 361, 589, 1355, 1805, 2945, 5149, 8401, 11191, 25745, 42005, 55955, 97831, 159619, 489155, 798095, 3032761, 15163805]

約数ペア:

[(1, 15163805), (5, 3032761), (19, 798095), (31, 489155), (95, 159619), (155, 97831), (271, 55955), (361, 42005), (589, 25745), (1355, 11191), (1805, 8401), (2945, 5149)]