128725815

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 209744640

約数和(自身を除く): 81018825

約数列:

[1, 3, 5, 15, 107, 139, 321, 417, 535, 577, 695, 1605, 1731, 2085, 2885, 8655, 14873, 44619, 61739, 74365, 80203, 185217, 223095, 240609, 308695, 401015, 926085, 1203045, 8581721, 25745163, 42908605, 128725815]

約数ペア:

[(1, 128725815), (3, 42908605), (5, 25745163), (15, 8581721), (107, 1203045), (139, 926085), (321, 401015), (417, 308695), (535, 240609), (577, 223095), (695, 185217), (1605, 80203), (1731, 74365), (2085, 61739), (2885, 44619), (8655, 14873)]